diff options
72 files changed, 168 insertions, 169 deletions
diff --git a/drivers/atm/he.c b/drivers/atm/he.c index ffcb9fd31c3..41e052fecd7 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -1912,7 +1912,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) skb->tail = skb->data + skb->len; #ifdef USE_CHECKSUM_HW if (vcc->vpi == 0 && vcc->vci >= ATM_NOT_RSV_VCI) { - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; skb->csum = TCP_CKSUM(skb->data, he_vcc->pdu_len); } diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c index 80e8ca013e4..29dede2eaa8 100644 --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -2077,7 +2077,7 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev) vp->tx_ring[entry].next = 0; #if DO_ZEROCOPY - if (skb->ip_summed != CHECKSUM_HW) + if (skb->ip_summed != CHECKSUM_PARTIAL) vp->tx_ring[entry].status = cpu_to_le32(skb->len | TxIntrUploaded); else vp->tx_ring[entry].status = cpu_to_le32(skb->len | TxIntrUploaded | AddTCPChksum | AddUDPChksum); diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c index 1428bb7715a..a48b211c489 100644 --- a/drivers/net/8139cp.c +++ b/drivers/net/8139cp.c @@ -813,7 +813,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev) if (mss) flags |= LargeSend | ((mss & MSSMask) << MSSShift); - else if (skb->ip_summed == CHECKSUM_HW) { + else if (skb->ip_summed == CHECKSUM_PARTIAL) { const struct iphdr *ip = skb->nh.iph; if (ip->protocol == IPPROTO_TCP) flags |= IPCS | TCPCS; @@ -867,7 +867,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev) if (mss) ctrl |= LargeSend | ((mss & MSSMask) << MSSShift); - else if (skb->ip_summed == CHECKSUM_HW) { + else if (skb->ip_summed == CHECKSUM_PARTIAL) { if (ip->protocol == IPPROTO_TCP) ctrl |= IPCS | TCPCS; else if (ip->protocol == IPPROTO_UDP) @@ -898,7 +898,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev) txd->addr = cpu_to_le64(first_mapping); wmb(); - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { if (ip->protocol == IPPROTO_TCP) txd->opts1 = cpu_to_le32(first_eor | first_len | FirstFrag | DescOwn | diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c index 1c01e9b3d07..826548644d7 100644 --- a/drivers/net/acenic.c +++ b/drivers/net/acenic.c @@ -2040,7 +2040,7 @@ static void ace_rx_int(struct net_device *dev, u32 rxretprd, u32 rxretcsm) */ if (bd_flags & BD_FLG_TCP_UDP_SUM) { skb->csum = htons(csum); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; } else { skb->ip_summed = CHECKSUM_NONE; } @@ -2511,7 +2511,7 @@ restart: mapping = ace_map_tx_skb(ap, skb, skb, idx); flagsize = (skb->len << 16) | (BD_FLG_END); - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) flagsize |= BD_FLG_TCP_UDP_SUM; #if ACENIC_DO_VLAN if (vlan_tx_tag_present(skb)) { @@ -2534,7 +2534,7 @@ restart: mapping = ace_map_tx_skb(ap, skb, NULL, idx); flagsize = (skb_headlen(skb) << 16); - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) flagsize |= BD_FLG_TCP_UDP_SUM; #if ACENIC_DO_VLAN if (vlan_tx_tag_present(skb)) { @@ -2560,7 +2560,7 @@ restart: PCI_DMA_TODEVICE); flagsize = (frag->size << 16); - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) flagsize |= BD_FLG_TCP_UDP_SUM; idx = (idx + 1) % ACE_TX_RING_ENTRIES(ap); diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 652eb05a6c2..7857b463012 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -4423,7 +4423,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) ring_prod = TX_RING_IDX(prod); vlan_tag_flags = 0; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM; } diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index a31544ccb3c..558fdb8ad2d 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -2167,7 +2167,7 @@ end_copy_pkt: cas_page_unmap(addr); } skb->csum = ntohs(i ^ 0xffff); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; skb->protocol = eth_type_trans(skb, cp->dev); return len; } @@ -2821,7 +2821,7 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring, } ctrl = 0; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { u64 csum_start_off, csum_stuff_off; csum_start_off = (u64) (skb->h.raw - skb->data); diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 61b3754f50f..ddd0bdb498f 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -1470,9 +1470,9 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) } if (!(adapter->flags & UDP_CSUM_CAPABLE) && - skb->ip_summed == CHECKSUM_HW && + skb->ip_summed == CHECKSUM_PARTIAL && skb->nh.iph->protocol == IPPROTO_UDP) - if (unlikely(skb_checksum_help(skb, 0))) { + if (unlikely(skb_checksum_help(skb))) { dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -1495,11 +1495,11 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) cpl = (struct cpl_tx_pkt *)__skb_push(skb, sizeof(*cpl)); cpl->opcode = CPL_TX_PKT; cpl->ip_csum_dis = 1; /* SW calculates IP csum */ - cpl->l4_csum_dis = skb->ip_summed == CHECKSUM_HW ? 0 : 1; + cpl->l4_csum_dis = skb->ip_summed == CHECKSUM_PARTIAL ? 0 : 1; /* the length field isn't used so don't bother setting it */ - st->tx_cso += (skb->ip_summed == CHECKSUM_HW); - sge->stats.tx_do_cksum += (skb->ip_summed == CHECKSUM_HW); + st->tx_cso += (skb->ip_summed == CHECKSUM_PARTIAL); + sge->stats.tx_do_cksum += (skb->ip_summed == CHECKSUM_PARTIAL); sge->stats.tx_reg_pkts++; } cpl->iff = dev->if_port; diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c index 402961e68c8..b74e6765476 100644 --- a/drivers/net/dl2k.c +++ b/drivers/net/dl2k.c @@ -611,7 +611,7 @@ start_xmit (struct sk_buff *skb, struct net_device *dev) txdesc = &np->tx_ring[entry]; #if 0 - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { txdesc->status |= cpu_to_le64 (TCPChecksumEnable | UDPChecksumEnable | IPChecksumEnable); diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 98ef9f85482..2ab9f96f5da 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2600,7 +2600,7 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, unsigned int i; uint8_t css; - if (likely(skb->ip_summed == CHECKSUM_HW)) { + if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { css = skb->h.raw - skb->data; i = tx_ring->next_to_use; @@ -2927,11 +2927,11 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } /* reserve a descriptor for the offload context */ - if ((mss) || (skb->ip_summed == CHECKSUM_HW)) + if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL)) count++; count++; #else - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) count++; #endif @@ -3608,7 +3608,7 @@ e1000_rx_checksum(struct e1000_adapter *adapter, */ csum = ntohl(csum ^ 0xFFFF); skb->csum = csum; - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; } adapter->hw_csum_good++; } diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 11b8f1b43dd..32cacf115f7 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -1503,7 +1503,8 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->gso_size << NV_TX2_TSO_SHIFT); else #endif - tx_flags_extra = (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0); + tx_flags_extra = skb->ip_summed == CHECKSUM_PARTIAL ? + NV_TX2_CHECKSUM_L3 | NV_TX2_CHECKSUM_L4 : 0; /* vlan tag */ if (np->vlangrp && vlan_tx_tag_present(skb)) { diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index ebbbd6ca620..ba960913c03 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -947,7 +947,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Set up checksumming */ if (likely((dev->features & NETIF_F_IP_CSUM) - && (CHECKSUM_HW == skb->ip_summed))) { + && (CHECKSUM_PARTIAL == skb->ip_summed))) { fcb = gfar_add_fcb(skb, txbdp); status |= TXBD_TOE; gfar_tx_checksum(skb, fcb); diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c index 409c6aab041..763373ae966 100644 --- a/drivers/net/hamachi.c +++ b/drivers/net/hamachi.c @@ -1648,7 +1648,7 @@ static int hamachi_rx(struct net_device *dev) * could do the pseudo myself and return * CHECKSUM_UNNECESSARY */ - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; } } } diff --git a/drivers/net/ibm_emac/ibm_emac_core.c b/drivers/net/ibm_emac/ibm_emac_core.c index 82468e2dc79..57e214d85e9 100644 --- a/drivers/net/ibm_emac/ibm_emac_core.c +++ b/drivers/net/ibm_emac/ibm_emac_core.c @@ -1036,7 +1036,7 @@ static inline u16 emac_tx_csum(struct ocp_enet_private *dev, struct sk_buff *skb) { #if defined(CONFIG_IBM_EMAC_TAH) - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { ++dev->stats.tx_packets_csum; return EMAC_TX_CTRL_TAH_CSUM; } diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c index 68d8af7df08..65f897ddb92 100644 --- a/drivers/net/ioc3-eth.c +++ b/drivers/net/ioc3-eth.c @@ -1387,7 +1387,7 @@ static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) * MAC header which should not be summed and the TCP/UDP pseudo headers * manually. */ - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { int proto = ntohs(skb->nh.iph->protocol); unsigned int csoff; struct iphdr *ih = skb->nh.iph; diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index 7bbd447289b..9405b44f321 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -1232,7 +1232,7 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb) unsigned int i; uint8_t css, cso; - if(likely(skb->ip_summed == CHECKSUM_HW)) { + if(likely(skb->ip_summed == CHECKSUM_PARTIAL)) { css = skb->h.raw - skb->data; cso = (skb->h.raw + skb->csum) - skb->data; diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index eeab1df5bef..38df58fdb35 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -1147,7 +1147,7 @@ static void eth_tx_submit_descs_for_skb(struct mv643xx_private *mp, desc->byte_cnt = length; desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE); - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { BUG_ON(skb->protocol != ETH_P_IP); cmd_sts |= ETH_GEN_TCP_UDP_CHECKSUM | diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 9bdd43ab357..9f16681d0e7 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -930,7 +930,7 @@ static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum) (vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) || vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) { skb->csum = hw_csum; - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; } } @@ -973,7 +973,7 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, if ((skb->protocol == ntohs(ETH_P_IP)) || (skb->protocol == ntohs(ETH_P_IPV6))) { skb->csum = ntohs((u16) csum); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; } else myri10ge_vlan_ip_csum(skb, ntohs((u16) csum)); } @@ -1897,13 +1897,13 @@ again: pseudo_hdr_offset = 0; odd_flag = 0; flags = (MXGEFW_FLAGS_NO_TSO | MXGEFW_FLAGS_FIRST); - if (likely(skb->ip_summed == CHECKSUM_HW)) { + if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { cksum_offset = (skb->h.raw - skb->data); pseudo_hdr_offset = (skb->h.raw + skb->csum) - skb->data; /* If the headers are excessively large, then we must * fall back to a software checksum */ if (unlikely(cksum_offset > 255 || pseudo_hdr_offset > 127)) { - if (skb_checksum_help(skb, 0)) + if (skb_checksum_help(skb)) goto drop; cksum_offset = 0; pseudo_hdr_offset = 0; diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c index 0e76859c90a..5143f5dbb2e 100644 --- a/drivers/net/ns83820.c +++ b/drivers/net/ns83820.c @@ -1153,7 +1153,7 @@ again: if (!nr_frags) frag = NULL; extsts = 0; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { extsts |= EXTSTS_IPPKT; if (IPPROTO_TCP == skb->nh.iph->protocol) extsts |= EXTSTS_TCPPKT; diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 4c2f575faad..d9b960aa9b0 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2169,7 +2169,7 @@ static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev) if (mss) return LargeSend | ((mss & MSSMask) << MSSShift); } - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { const struct iphdr *ip = skb->nh.iph; if (ip->protocol == IPPROTO_TCP) diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index e72e0e09906..5b3713f622d 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -3893,7 +3893,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) txdp->Control_1 |= TXD_TCP_LSO_MSS(s2io_tcp_mss(skb)); } #endif - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { txdp->Control_2 |= (TXD_TX_CKO_IPV4_EN | TXD_TX_CKO_TCP_EN | TXD_TX_CKO_UDP_EN); diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index ee62845d3ac..eb3b35180c2 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -1559,7 +1559,7 @@ struct sk_buff *pMessage) /* pointer to send-message */ pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); pTxd->pMBuf = pMessage; - if (pMessage->ip_summed == CHECKSUM_HW) { + if (pMessage->ip_summed == CHECKSUM_PARTIAL) { u16 hdrlen = pMessage->h.raw - pMessage->data; u16 offset = hdrlen + pMessage->csum; @@ -1678,7 +1678,7 @@ struct sk_buff *pMessage) /* pointer to send-message */ /* ** Does the HW need to evaluate checksum for TCP or UDP packets? */ - if (pMessage->ip_summed == CHECKSUM_HW) { + if (pMessage->ip_summed == CHECKSUM_PARTIAL) { u16 hdrlen = pMessage->h.raw - pMessage->data; u16 offset = hdrlen + pMessage->csum; @@ -2158,7 +2158,7 @@ rx_start: #ifdef USE_SK_RX_CHECKSUM pMsg->csum = pRxd->TcpSums & 0xffff; - pMsg->ip_summed = CHECKSUM_HW; + pMsg->ip_summed = CHECKSUM_COMPLETE; #else pMsg->ip_summed = CHECKSUM_NONE; #endif diff --git a/drivers/net/skge.c b/drivers/net/skge.c index ad878dfddef..b3d6fa3d6df 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -2338,7 +2338,7 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) td->dma_lo = map; td->dma_hi = map >> 32; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { int offset = skb->h.raw - skb->data; /* This seems backwards, but it is what the sk98lin @@ -2642,7 +2642,7 @@ static inline struct sk_buff *skge_rx_get(struct skge_port *skge, skb->dev = skge->netdev; if (skge->rx_csum) { skb->csum = csum; - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; } skb->protocol = eth_type_trans(skb, skge->netdev); diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 933e87f1cc6..8e92566b587 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1163,7 +1163,7 @@ static unsigned tx_le_req(const struct sk_buff *skb) if (skb_is_gso(skb)) ++count; - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) ++count; return count; @@ -1272,7 +1272,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) #endif /* Handle TCP checksum offload */ - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { u16 hdr = skb->h.raw - skb->data; u16 offset = hdr + skb->csum; @@ -2000,7 +2000,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do) #endif case OP_RXCHKS: skb = sky2->rx_ring[sky2->rx_next].skb; - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; skb->csum = le16_to_cpu(status); break; diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c index c0a62b00ffc..2607aa51d8e 100644 --- a/drivers/net/starfire.c +++ b/drivers/net/starfire.c @@ -1230,7 +1230,7 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev) } #if defined(ZEROCOPY) && defined(HAS_BROKEN_FIRMWARE) - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { if (skb_padto(skb, (skb->len + PADDING_MASK) & ~PADDING_MASK)) return NETDEV_TX_OK; } @@ -1252,7 +1252,7 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev) status |= TxDescIntr; np->reap_tx = 0; } - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { status |= TxCalTCP; np->stats.tx_compressed++; } @@ -1499,7 +1499,7 @@ static int __netdev_rx(struct net_device *dev, int *quota) * Until then, the printk stays. :-) -Ion */ else if (le16_to_cpu(desc->status2) & 0x0040) { - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; skb->csum = le16_to_cpu(desc->csum); printk(KERN_DEBUG "%s: checksum_hw, status2 = %#x\n", dev->name, le16_to_cpu(desc->status2)); } diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index d7b1d1882ca..b388651b783 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -855,7 +855,7 @@ static int gem_rx(struct gem *gp, int work_to_do) } skb->csum = ntohs((status & RXDCTRL_TCPCSUM) ^ 0xffff); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; skb->protocol = eth_type_trans(skb, gp->dev); netif_receive_skb(skb); @@ -1026,7 +1026,7 @@ static int gem_start_xmit(struct sk_buff *skb, struct net_device *dev) unsigned long flags; ctrl = 0; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { u64 csum_start_off, csum_stuff_off; csum_start_off = (u64) (skb->h.raw - skb->data); diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c index c6f5bc3c042..17981da2273 100644 --- a/drivers/net/sunhme.c +++ b/drivers/net/sunhme.c @@ -1207,7 +1207,7 @@ static void happy_meal_transceiver_check(struct happy_meal *hp, void __iomem *tr * flags, thus: * * skb->csum = rxd->rx_flags & 0xffff; - * skb->ip_summed = CHECKSUM_HW; + * skb->ip_summed = CHECKSUM_COMPLETE; * * before sending off the skb to the protocols, and we are good as gold. */ @@ -2074,7 +2074,7 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev) /* This card is _fucking_ hot... */ skb->csum = ntohs(csum ^ 0xffff); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; RXD(("len=%d csum=%4x]", len, csum)); skb->protocol = eth_type_trans(skb, dev); @@ -2268,7 +2268,7 @@ static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev) u32 tx_flags; tx_flags = TXFLAG_OWN; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { u32 csum_start_off, csum_stuff_off; csum_start_off = (u32) (skb->h.raw - skb->data); diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index eafabb253f0..6f5d3a38c58 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -3851,11 +3851,11 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) skb->h.th->check = 0; } - else if (skb->ip_summed == CHECKSUM_HW) + else if (skb->ip_summed == CHECKSUM_PARTIAL) base_flags |= TXD_FLAG_TCPUDP_CSUM; #else mss = 0; - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) base_flags |= TXD_FLAG_TCPUDP_CSUM; #endif #if TG3_VLAN_TAG_USED @@ -3981,7 +3981,7 @@ static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev) entry = tp->tx_prod; base_flags = 0; - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) base_flags |= TXD_FLAG_TCPUDP_CSUM; #if TG3_TSO_SUPPORT != 0 mss = 0; diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c index 4103c37172f..c6e601dc6bb 100644 --- a/drivers/net/typhoon.c +++ b/drivers/net/typhoon.c @@ -830,7 +830,7 @@ typhoon_start_tx(struct sk_buff *skb, struct net_device *dev) first_txd->addrHi = (u64)((unsigned long) skb) >> 32; first_txd->processFlags = 0; - if(skb->ip_summed == CHECKSUM_HW) { + if(skb->ip_summed == CHECKSUM_PARTIAL) { /* The 3XP will figure out if this is UDP/TCP */ first_txd->processFlags |= TYPHOON_TX_PF_TCP_CHKSUM; first_txd->processFlags |= TYPHOON_TX_PF_UDP_CHKSUM; diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index ae971080e2e..66547159bfd 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -1230,7 +1230,7 @@ static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev) rp->tx_skbuff[entry] = skb; if ((rp->quirks & rqRhineI) && - (((unsigned long)skb->data & 3) || skb_shinfo(skb)->nr_frags != 0 || skb->ip_summed == CHECKSUM_HW)) { + (((unsigned long)skb->data & 3) || skb_shinfo(skb)->nr_frags != 0 || skb->ip_summed == CHECKSUM_PARTIAL)) { /* Must use alignment buffer. */ if (skb->len > PKT_BUF_SZ) { /* packet too long, drop it */ diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index aa9cd92f46b..f1e0c746a38 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -2002,7 +2002,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) * Handle hardware checksum */ if ((vptr->flags & VELOCITY_FLAGS_TX_CSUM) - && (skb->ip_summed == CHECKSUM_HW)) { + && (skb->ip_summed == CHECKSUM_PARTIAL)) { struct iphdr *ip = skb->nh.iph; if (ip->protocol == IPPROTO_TCP) td_ptr->tdesc1.TCR |= TCR0_TCPCK; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 50a4719512e..4f2c2b6beb5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -976,7 +976,7 @@ extern void dev_mcast_init(void); extern int netdev_max_backlog; extern int weight_p; extern int netdev_set_master(struct net_device *dev, struct net_device *master); -extern int skb_checksum_help(struct sk_buff *skb, int inward); +extern int skb_checksum_help(struct sk_buff *skb); extern struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features); #ifdef CONFIG_BUG extern void netdev_rx_csum_fault(struct net_device *dev); @@ -1012,7 +1012,7 @@ static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb) { return skb_is_gso(skb) && (!skb_gso_ok(skb, dev->features) || - unlikely(skb->ip_summed != CHECKSUM_HW)); + unlikely(skb->ip_summed != CHECKSUM_PARTIAL)); } /* On bonding slaves other than the currently active slave, suppress diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 755e9cddac4..85577a4ffa6 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -34,8 +34,9 @@ #define HAVE_ALIGNABLE_SKB /* Ditto 8) */ #define CHECKSUM_NONE 0 -#define CHECKSUM_HW 1 +#define CHECKSUM_PARTIAL 1 #define CHECKSUM_UNNECESSARY 2 +#define CHECKSUM_COMPLETE 3 #define SKB_DATA_ALIGN(X) (((X) + (SMP_CACHE_BYTES - 1)) & \ ~(SMP_CACHE_BYTES - 1)) @@ -56,17 +57,17 @@ * Apparently with secret goal to sell you new device, when you * will add new protocol to your host. F.e. IPv6. 8) * - * HW: the most generic way. Device supplied checksum of _all_ + * COMPLETE: the most generic way. Device supplied checksum of _all_ * the packet as seen by netif_rx in skb->csum. * NOTE: Even if device supports only some protocols, but - * is able to produce some skb->csum, it MUST use HW, + * is able to produce some skb->csum, it MUST use COMPLETE, * not UNNECESSARY. * * B. Checksumming on output. * * NONE: skb is checksummed by protocol or csum is not required. * - * HW: device is required to csum packet as seen by hard_start_xmit + * PARTIAL: device is required to csum packet as seen by hard_start_xmit * from skb->h.raw to the end and to record the checksum * at skb->h.raw+skb->csum. * @@ -1261,14 +1262,14 @@ static inline int skb_linearize_cow(struct sk_buff *skb) * @len: length of data pulled * * After doing a pull on a received packet, you need to call this to - * update the CHECKSUM_HW checksum, or set ip_summed to CHECKSUM_NONE - * so that it can be recomputed from scratch. + * update the CHECKSUM_COMPLETE checksum, or set ip_summed to + * CHECKSUM_NONE so that it can be recomputed from scratch. */ static inline void skb_postpull_rcsum(struct sk_buff *skb, const void *start, unsigned int len) { - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_COMPLETE) skb->csum = csum_sub(skb->csum, csum_partial(start, len, 0)); } @@ -1287,7 +1288,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) { if (likely(len >= skb->len)) return 0; - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_COMPLETE) skb->ip_summed = CHECKSUM_NONE; return __pskb_trim(skb, len); } diff --git a/net/core/datagram.c b/net/core/datagram.c index aecddcc3040..f558c61aecc 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -417,7 +417,7 @@ unsigned int __skb_checksum_complete(struct sk_buff *skb) sum = (u16)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum)); if (likely(!sum)) { - if (unlikely(skb->ip_summed == CHECKSUM_HW)) + if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE)) netdev_rx_csum_fault(skb->dev); skb->ip_summed = CHECKSUM_UNNECESSARY; } @@ -462,7 +462,7 @@ int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb, goto fault; if ((unsigned short)csum_fold(csum)) goto csum_error; - if (unlikely(skb->ip_summed == CHECKSUM_HW)) + if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE)) netdev_rx_csum_fault(skb->dev); iov->iov_len -= chunk; iov->iov_base += chunk; diff --git a/net/core/dev.c b/net/core/dev.c index d4a1ec3bded..fc82f6f6e1c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1166,12 +1166,12 @@ EXPORT_SYMBOL(netif_device_attach); * Invalidate hardware checksum when packet is to be mangled, and * complete checksum manually on outgoing path. */ -int skb_checksum_help(struct sk_buff *skb, int inward) +int skb_checksum_help(struct sk_buff *skb) { unsigned int csum; int ret = 0, offset = skb->h.raw - skb->data; - if (inward) + if (skb->ip_summed == CHECKSUM_COMPLETE) goto out_set_summed; if (unlikely(skb_shinfo(skb)->gso_size)) { @@ -1223,7 +1223,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features) skb->mac_len = skb->nh.raw - skb->data; __skb_pull(skb, skb->mac_len); - if (unlikely(skb->ip_summed != CHECKSUM_HW)) { + if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) { if (skb_header_cloned(skb) && (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) return ERR_PTR(err); @@ -1232,7 +1232,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features) rcu_read_lock(); list_for_each_entry_rcu(ptype, &ptype_base[ntohs(type) & 15], list) { if (ptype->type == type && !ptype->dev && ptype->gso_segment) { - if (unlikely(skb->ip_summed != CHECKSUM_HW)) { + if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) { err = ptype->gso_send_check(skb); segs = ERR_PTR(err); if (err || skb_gso_ok(skb, features)) @@ -1444,11 +1444,11 @@ int dev_queue_xmit(struct sk_buff *skb) /* If packet is not checksummed and device does not support * checksumming for this protocol, complete checksumming here. */ - if (skb->ip_summed == CHECKSUM_HW && + if (skb->ip_summed == CHECKSUM_PARTIAL && (!(dev->features & NETIF_F_GEN_CSUM) && (!(dev->features & NETIF_F_IP_CSUM) || skb->protocol != htons(ETH_P_IP)))) - if (skb_checksum_help(skb, 0)) + if (skb_checksum_help(skb)) goto out_kfree_skb; gso: diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 471da451cd4..ead5920c26d 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -110,7 +110,7 @@ static int checksum_udp(struct sk_buff *skb, struct udphdr *uh, psum = csum_tcpudp_nofold(saddr, daddr, ulen, IPPROTO_UDP, 0); - if (skb->ip_summed == CHECKSUM_HW && + if (skb->ip_summed == CHECKSUM_COMPLETE && !(u16)csum_fold(csum_add(psum, skb->csum))) return 0; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index c54f3664bce..8a476f1956e 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1397,7 +1397,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to) unsigned int csum; long csstart; - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) csstart = skb->h.raw - skb->data; else csstart = skb_headlen(skb); @@ -1411,7 +1411,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to) csum = skb_copy_and_csum_bits(skb, csstart, to + csstart, skb->len - csstart, 0); - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { long csstuff = csstart + skb->csum; *((unsigned short *)(to + csstuff)) = csum_fold(csum); @@ -1898,10 +1898,10 @@ int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb, * @len: length of data pulled * * This function performs an skb_pull on the packet and updates - * update the CHECKSUM_HW checksum. It should be used on receive - * path processing instead of skb_pull unless you know that the - * checksum difference is zero (e.g., a valid IP header) or you - * are setting ip_summed to CHECKSUM_NONE. + * update the CHECKSUM_COMPLETE checksum. It should be used on + * receive path processing instead of skb_pull unless you know + * that the checksum difference is zero (e.g., a valid IP header) + * or you are setting ip_summed to CHECKSUM_NONE. */ unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len) { @@ -1994,7 +1994,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features) frag = skb_shinfo(nskb)->frags; k = 0; - nskb->ip_summed = CHECKSUM_HW; + nskb->ip_summed = CHECKSUM_PARTIAL; nskb->csum = skb->csum; memcpy(skb_put(nskb, hsize), skb->data + offset, hsize); diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 6ad797c1416..6d223e5c674 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -930,7 +930,7 @@ int icmp_rcv(struct sk_buff *skb) ICMP_INC_STATS_BH(ICMP_MIB_INMSGS); switch (skb->ip_summed) { - case CHECKSUM_HW: + case CHECKSUM_COMPLETE: if (!(u16)csum_fold(skb->csum)) break; /* fall through */ diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 8e8117c19e4..7003e763d97 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -931,7 +931,7 @@ int igmp_rcv(struct sk_buff *skb) goto drop; switch (skb->ip_summed) { - case CHECKSUM_HW: + case CHECKSUM_COMPLETE: if (!(u16)csum_fold(skb->csum)) break; /* fall through */ diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index b84b53a4752..8d7f107c2ee 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -665,7 +665,7 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev) head->len += fp->len; if (head->ip_summed != fp->ip_summed) head->ip_summed = CHECKSUM_NONE; - else if (head->ip_summed == CHECKSUM_HW) + else if (head->ip_summed == CHECKSUM_COMPLETE) head->csum = csum_add(head->csum, fp->csum); head->truesize += fp->truesize; atomic_sub(fp->truesize, &ip_frag_mem); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 0f9b3a31997..e66f6ff2e19 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -576,7 +576,7 @@ static int ipgre_rcv(struct sk_buff *skb) if (flags&GRE_CSUM) { switch (skb->ip_summed) { - case CHECKSUM_HW: + case CHECKSUM_COMPLETE: csum = (u16)csum_fold(skb->csum); if (!csum) break; @@ -584,7 +584,7 @@ static int ipgre_rcv(struct sk_buff *skb) case CHECKSUM_NONE: skb->csum = 0; csum = __skb_checksum_complete(skb); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; } offset += 4; } diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 308bdeac345..1b9b6742ef7 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -680,7 +680,7 @@ ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk { struct iovec *iov = from; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { if (memcpy_fromiovecend(to, iov, offset, len) < 0) return -EFAULT; } else { @@ -736,7 +736,7 @@ static inline int ip_ufo_append_data(struct sock *sk, /* initialize protocol header pointer */ skb->h.raw = skb->data + fragheaderlen; - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_PARTIAL; skb->csum = 0; sk->sk_sndmsg_off = 0; } @@ -844,7 +844,7 @@ int ip_append_data(struct sock *sk, length + fragheaderlen <= mtu && rt->u.dst.dev->features & NETIF_F_ALL_CSUM && !exthdrlen) - csummode = CHECKSUM_HW; + csummode = CHECKSUM_PARTIAL; inet->cork.length += length; if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) && diff --git a/net/ipv4/ipvs/ip_vs_proto_tcp.c b/net/ipv4/ipvs/ip_vs_proto_tcp.c index bc28b1160a3..820e8318d10 100644 --- a/net/ipv4/ipvs/ip_vs_proto_tcp.c +++ b/net/ipv4/ipvs/ip_vs_proto_tcp.c @@ -151,7 +151,7 @@ tcp_snat_handler(struct sk_buff **pskb, /* Only port and addr are changed, do fast csum update */ tcp_fast_csum_update(tcph, cp->daddr, cp->vaddr, cp->dport, cp->vport); - if ((*pskb)->ip_summed == CHECKSUM_HW) + if ((*pskb)->ip_summed == CHECKSUM_COMPLETE) (*pskb)->ip_summed = CHECKSUM_NONE; } else { /* full checksum calculation */ @@ -204,7 +204,7 @@ tcp_dnat_handler(struct sk_buff **pskb, /* Only port and addr are changed, do fast csum update */ tcp_fast_csum_update(tcph, cp->vaddr, cp->daddr, cp->vport, cp->dport); - if ((*pskb)->ip_summed == CHECKSUM_HW) + if ((*pskb)->ip_summed == CHECKSUM_COMPLETE) (*pskb)->ip_summed = CHECKSUM_NONE; } else { /* full checksum calculation */ @@ -229,7 +229,7 @@ tcp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp) switch (skb->ip_summed) { case CHECKSUM_NONE: skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0); - case CHECKSUM_HW: + case CHECKSUM_COMPLETE: if (csum_tcpudp_magic(skb->nh.iph->saddr, skb->nh.iph->daddr, skb->len - tcphoff, skb->nh.iph->protocol, skb->csum)) { @@ -239,7 +239,7 @@ tcp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp) } break; default: - /* CHECKSUM_UNNECESSARY */ + /* No need to checksum. */ break; } diff --git a/net/ipv4/ipvs/ip_vs_proto_udp.c b/net/ipv4/ipvs/ip_vs_proto_udp.c index 89d9175d8f2..90c8166c0ec 100644 --- a/net/ipv4/ipvs/ip_vs_proto_udp.c +++ b/net/ipv4/ipvs/ip_vs_proto_udp.c @@ -161,7 +161,7 @@ udp_snat_handler(struct sk_buff **pskb, /* Only port and addr are changed, do fast csum update */ udp_fast_csum_update(udph, cp->daddr, cp->vaddr, cp->dport, cp->vport); - if ((*pskb)->ip_summed == CHECKSUM_HW) + if ((*pskb)->ip_summed == CHECKSUM_COMPLETE) (*pskb)->ip_summed = CHECKSUM_NONE; } else { /* full checksum calculation */ @@ -216,7 +216,7 @@ udp_dnat_handler(struct sk_buff **pskb, /* Only port and addr are changed, do fast csum update */ udp_fast_csum_update(udph, cp->vaddr, cp->daddr, cp->vport, cp->dport); - if ((*pskb)->ip_summed == CHECKSUM_HW) + if ((*pskb)->ip_summed == CHECKSUM_COMPLETE) (*pskb)->ip_summed = CHECKSUM_NONE; } else { /* full checksum calculation */ @@ -250,7 +250,7 @@ udp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp) case CHECKSUM_NONE: skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0); - case CHECKSUM_HW: + case CHECKSUM_COMPLETE: if (csum_tcpudp_magic(skb->nh.iph->saddr, skb->nh.iph->daddr, skb->len - udphoff, @@ -262,7 +262,7 @@ udp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp) } break; default: - /* CHECKSUM_UNNECESSARY */ + /* No need to checksum. */ break; } } diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c index 6a9e34b794b..f88347de21a 100644 --- a/net/ipv4/netfilter.c +++ b/net/ipv4/netfilter.c @@ -168,7 +168,7 @@ unsigned int nf_ip_checksum(struct sk_buff *skb, unsigned int hook, unsigned int csum = 0; switch (skb->ip_summed) { - case CHECKSUM_HW: + case CHECKSUM_COMPLETE: if (hook != NF_IP_PRE_ROUTING && hook != NF_IP_LOCAL_IN) break; if ((protocol == 0 && !(u16)csum_fold(skb->csum)) || diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c index fb920e76ec1..9de81ff645d 100644 --- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c +++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c @@ -865,8 +865,7 @@ static int tcp_error(struct sk_buff *skb, /* Checksum invalid? Ignore. * We skip checking packets on the outgoing path - * because the semantic of CHECKSUM_HW is different there - * and moreover root might send raw packets. + * because it is assumed to be correct. */ /* FIXME: Source route IP option packets --RR */ if (ip_conntrack_checksum && hooknum == NF_IP_PRE_ROUTING && diff --git a/net/ipv4/netfilter/ip_conntrack_proto_udp.c b/net/ipv4/netfilter/ip_conntrack_proto_udp.c index 9b2c16b4d2f..e58e52f1455 100644 --- a/net/ipv4/netfilter/ip_conntrack_proto_udp.c +++ b/net/ipv4/netfilter/ip_conntrack_proto_udp.c @@ -117,8 +117,7 @@ static int udp_error(struct sk_buff *skb, enum ip_conntrack_info *ctinfo, /* Checksum invalid? Ignore. * We skip checking packets on the outgoing path - * because the semantic of CHECKSUM_HW is different there - * and moreover root might send raw packets. + * because the checksum is assumed to be correct. * FIXME: Source route IP option packets --RR */ if (ip_conntrack_checksum && hooknum == NF_IP_PRE_ROUTING && nf_ip_checksum(skb, hooknum, iph->ihl * 4, IPPROTO_UDP)) { diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c index 17de077a790..f4f00c816d8 100644 --- a/net/ipv4/netfilter/ip_nat_standalone.c +++ b/net/ipv4/netfilter/ip_nat_standalone.c @@ -111,8 +111,9 @@ ip_nat_fn(unsigned int hooknum, & htons(IP_MF|IP_OFFSET))); /* If we had a hardware checksum before, it's now invalid */ - if ((*pskb)->ip_summed == CHECKSUM_HW) - if (skb_checksum_help(*pskb, (out == NULL))) + if ((*pskb)->ip_summed == CHECKSUM_PARTIAL || + (*pskb)->ip_summed == CHECKSUM_COMPLETE) + if (skb_checksum_help(*pskb)) return NF_DROP; ct = ip_conntrack_get(*pskb, &ctinfo); diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index 198ac36db86..276a964ee6c 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -208,9 +208,9 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp) break; case IPQ_COPY_PACKET: - if (entry->skb->ip_summed == CHECKSUM_HW && - (*errp = skb_checksum_help(entry->skb, - entry->info->outdev == NULL))) { + if ((entry->skb->ip_summed == CHECKSUM_PARTIAL || + entry->skb->ip_summed == CHECKSUM_COMPLETE) && + (*errp = skb_checksum_help(entry->skb))) { read_unlock_bh(&queue_lock); return NULL; } diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c index 4adf5c9d34f..4ec43f98fe4 100644 --- a/net/ipv4/netfilter/ipt_ECN.c +++ b/net/ipv4/netfilter/ipt_ECN.c @@ -49,7 +49,7 @@ set_ect_ip(struct sk_buff **pskb, const struct ipt_ECN_info *einfo) /* Return 0 if there was an error. */ static inline int -set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo, int inward) +set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo) { struct tcphdr _tcph, *tcph; u_int16_t diffs[2]; @@ -70,8 +70,9 @@ set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo, int inward) return 0; tcph = (void *)(*pskb)->nh.iph + (*pskb)->nh.iph->ihl*4; - if ((*pskb)->ip_summed == CHECKSUM_HW && - skb_checksum_help(*pskb, inward)) + if (((*pskb)->ip_summed == CHECKSUM_PARTIAL || + (*pskb)->ip_summed == CHECKSUM_COMPLETE) && + skb_checksum_help(*pskb)) return 0; diffs[0] = ((u_int16_t *)tcph)[6]; @@ -106,7 +107,7 @@ target(struct sk_buff **pskb, if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR) && (*pskb)->nh.iph->protocol == IPPROTO_TCP) - if (!set_ect_tcp(pskb, einfo, (out == NULL))) + if (!set_ect_tcp(pskb, einfo)) return NF_DROP; return IPT_CONTINUE; diff --git a/net/ipv4/netfilter/ipt_TCPMSS.c b/net/ipv4/netfilter/ipt_TCPMSS.c index ef2fe5b3f0d..c998dc0fcd1 100644 --- a/net/ipv4/netfilter/ipt_TCPMSS.c +++ b/net/ipv4/netfilter/ipt_TCPMSS.c @@ -62,8 +62,9 @@ ipt_tcpmss_target(struct sk_buff **pskb, if (!skb_make_writable(pskb, (*pskb)->len)) return NF_DROP; - if ((*pskb)->ip_summed == CHECKSUM_HW && - skb_checksum_help(*pskb, out == NULL)) + if (((*pskb)->ip_summed == CHECKSUM_PARTIAL || + (*pskb)->ip_summed == CHECKSUM_COMPLETE) && + skb_checksum_help(*pskb)) return NF_DROP; iph = (*pskb)->nh.iph; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 934396bb137..b0124e69ab3 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -568,7 +568,7 @@ new_segment: skb->truesize += copy; sk->sk_wmem_queued += copy; sk->sk_forward_alloc -= copy; - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_PARTIAL; tp->write_seq += copy; TCP_SKB_CB(skb)->end_seq += copy; skb_shinfo(skb)->gso_segs = 0; @@ -723,7 +723,7 @@ new_segment: * Check whether we can use HW checksum. */ if (sk->sk_route_caps & NETIF_F_ALL_CSUM) - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_PARTIAL; skb_entail(sk, tp, skb); copy = size_goal; @@ -2205,7 +2205,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features) th->fin = th->psh = 0; th->check = ~csum_fold(th->check + delta); - if (skb->ip_summed != CHECKSUM_HW) + if (skb->ip_summed != CHECKSUM_PARTIAL) th->check = csum_fold(csum_partial(skb->h.raw, thlen, skb->csum)); @@ -2219,7 +2219,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features) delta = htonl(oldlen + (skb->tail - skb->h.raw) + skb->data_len); th->check = ~csum_fold(th->check + delta); - if (skb->ip_summed != CHECKSUM_HW) + if (skb->ip_summed != CHECKSUM_PARTIAL) th->check = csum_fold(csum_partial(skb->h.raw, thlen, skb->csum)); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 43f6740244f..b2aa512a30e 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -484,7 +484,7 @@ void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb) struct inet_sock *inet = inet_sk(sk); struct tcphdr *th = skb->h.th; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { th->check = ~tcp_v4_check(th, len, inet->saddr, inet->daddr, 0); skb->csum = offsetof(struct tcphdr, check); } else { @@ -509,7 +509,7 @@ int tcp_v4_gso_send_check(struct sk_buff *skb) th->check = 0; th->check = ~tcp_v4_check(th, skb->len, iph->saddr, iph->daddr, 0); skb->csum = offsetof(struct tcphdr, check); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_PARTIAL; return 0; } @@ -973,7 +973,7 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb) static int tcp_v4_checksum_init(struct sk_buff *skb) { - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_COMPLETE) { if (!tcp_v4_check(skb->h.th, skb->len, skb->nh.iph->saddr, skb->nh.iph->daddr, skb->csum)) { skb->ip_summed = CHECKSUM_UNNECESSARY; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index b4f3ffe1b3b..9252a50c4b4 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -577,7 +577,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss TCP_SKB_CB(buff)->sacked = TCP_SKB_CB(skb)->sacked; TCP_SKB_CB(skb)->sacked &= ~TCPCB_AT_TAIL; - if (!skb_shinfo(skb)->nr_frags && skb->ip_summed != CHECKSUM_HW) { + if (!skb_shinfo(skb)->nr_frags && skb->ip_summed != CHECKSUM_PARTIAL) { /* Copy and checksum data tail into the new buffer. */ buff->csum = csum_partial_copy_nocheck(skb->data + len, skb_put(buff, nsize), nsize, 0); @@ -586,7 +586,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss skb->csum = csum_block_sub(skb->csum, buff->csum, len); } else { - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_PARTIAL; skb_split(skb, buff, len); } @@ -689,7 +689,7 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len) __pskb_trim_head(skb, len - skb_headlen(skb)); TCP_SKB_CB(skb)->seq += len; - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_PARTIAL; skb->truesize -= len; sk->sk_wmem_queued -= len; @@ -1062,7 +1062,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len, /* This packet was never sent out yet, so no SACK bits. */ TCP_SKB_CB(buff)->sacked = 0; - buff->ip_summed = skb->ip_summed = CHECKSUM_HW; + buff->ip_summed = skb->ip_summed = CHECKSUM_PARTIAL; skb_split(skb, buff, len); /* Fix up tso_factor for both original and new SKB. */ @@ -1206,8 +1206,7 @@ static int tcp_mtu_probe(struct sock *sk) TCP_SKB_CB(nskb)->flags = TCPCB_FLAG_ACK; TCP_SKB_CB(nskb)->sacked = 0; nskb->csum = 0; - if (skb->ip_summed == CHECKSUM_HW) - nskb->ip_summed = CHECKSUM_HW; + nskb->ip_summed = skb->ip_summed; len = 0; while (len < probe_size) { @@ -1231,7 +1230,7 @@ static int tcp_mtu_probe(struct sock *sk) ~(TCPCB_FLAG_FIN|TCPCB_FLAG_PSH); if (!skb_shinfo(skb)->nr_frags) { skb_pull(skb, copy); - if (skb->ip_summed != CHECKSUM_HW) + if (skb->ip_summed != CHECKSUM_PARTIAL) skb->csum = csum_partial(skb->data, skb->len, 0); } else { __pskb_trim_head(skb, copy); @@ -1572,10 +1571,9 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, int m memcpy(skb_put(skb, next_skb_size), next_skb->data, next_skb_size); - if (next_skb->ip_summed == CHECKSUM_HW) - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = next_skb->ip_summed; - if (skb->ip_summed != CHECKSUM_HW) + if (skb->ip_summed != CHECKSUM_PARTIAL) skb->csum = csum_block_add(skb->csum, next_skb->csum, skb_size); /* Update sequence range on original skb. */ diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index a4d005eccc7..87152510980 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -429,7 +429,7 @@ static int udp_push_pending_frames(struct sock *sk, struct udp_sock *up) /* * Only one fragment on the socket. */ - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { skb->csum = offsetof(struct udphdr, check); uh->check = ~csum_tcpudp_magic(fl->fl4_src, fl->fl4_dst, up->len, IPPROTO_UDP, 0); @@ -448,7 +448,7 @@ static int udp_push_pending_frames(struct sock *sk, struct udp_sock *up) * fragments on the socket so that all csums of sk_buffs * should be together. */ - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { int offset = (unsigned char *)uh - skb->data; skb->csum = skb_checksum(skb, offset, skb->len - offset, 0); @@ -1088,7 +1088,7 @@ static void udp_checksum_init(struct sk_buff *skb, struct udphdr *uh, { if (uh->check == 0) { skb->ip_summed = CHECKSUM_UNNECESSARY; - } else if (skb->ip_summed == CHECKSUM_HW) { + } else if (skb->ip_summed == CHECKSUM_COMPLETE) { if (!udp_check(uh, ulen, saddr, daddr, skb->csum)) skb->ip_summed = CHECKSUM_UNNECESSARY; } diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c index d16f863cf68..4a96a9e3ef3 100644 --- a/net/ipv4/xfrm4_output.c +++ b/net/ipv4/xfrm4_output.c @@ -48,8 +48,8 @@ static int xfrm4_output_one(struct sk_buff *skb) struct xfrm_state *x = dst->xfrm; int err; - if (skb->ip_summed == CHECKSUM_HW) { - err = skb_checksum_help(skb, 0); + if (skb->ip_summed == CHECKSUM_PARTIAL) { + err = skb_checksum_help(skb); if (err) goto error_nolock; } diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 86dac106873..05afa6b1912 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -294,7 +294,7 @@ looped_back: hdr = (struct ipv6_rt_hdr *) skb2->h.raw; } - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_COMPLETE) skb->ip_summed = CHECKSUM_NONE; i = n - --hdr->segments_left; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index dbfce089e91..10305510767 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -606,7 +606,7 @@ static int icmpv6_rcv(struct sk_buff **pskb) /* Perform checksum. */ switch (skb->ip_summed) { - case CHECKSUM_HW: + case CHECKSUM_COMPLETE: if (!csum_ipv6_magic(saddr, daddr, skb->len, IPPROTO_ICMPV6, skb->csum)) break; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 4fb47a25291..65514f21c18 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -866,7 +866,7 @@ static inline int ip6_ufo_append_data(struct sock *sk, /* initialize protocol header pointer */ skb->h.raw = skb->data + fragheaderlen; - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_PARTIAL; skb->csum = 0; sk->sk_sndmsg_off = 0; } diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c index 395a417ba95..580b1aba672 100644 --- a/net/ipv6/netfilter.c +++ b/net/ipv6/netfilter.c @@ -87,7 +87,7 @@ unsigned int nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, unsigned int csum = 0; switch (skb->ip_summed) { - case CHECKSUM_HW: + case CHECKSUM_COMPLETE: if (hook != NF_IP6_PRE_ROUTING && hook != NF_IP6_LOCAL_IN) break; if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index 968a14be0d0..c01c126224e 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -206,9 +206,9 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp) break; case IPQ_COPY_PACKET: - if (entry->skb->ip_summed == CHECKSUM_HW && - (*errp = skb_checksum_help(entry->skb, - entry->info->outdev == NULL))) { + if ((entry->skb->ip_summed == CHECKSUM_PARTIAL || + entry->skb->ip_summed == CHECKSUM_COMPLETE) && + (*errp = skb_checksum_help(entry->skb))) { read_unlock_bh(&queue_lock); return NULL; } diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 00d5583807f..7a4e4c2e319 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -408,7 +408,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb, return -1; } - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_COMPLETE) skb->csum = csum_sub(skb->csum, csum_partial(skb->nh.raw, (u8*)(fhdr + 1) - skb->nh.raw, @@ -640,7 +640,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev) head->len += fp->len; if (head->ip_summed != fp->ip_summed) head->ip_summed = CHECKSUM_NONE; - else if (head->ip_summed == CHECKSUM_HW) + else if (head->ip_summed == CHECKSUM_COMPLETE) head->csum = csum_add(head->csum, fp->csum); head->truesize += fp->truesize; atomic_sub(fp->truesize, &nf_ct_frag6_mem); @@ -652,7 +652,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev) head->nh.ipv6h->payload_len = htons(payload_len); /* Yes, and fold redundant checksum back. 8) */ - if (head->ip_summed == CHECKSUM_HW) + if (head->ip_summed == CHECKSUM_COMPLETE) head->csum = csum_partial(head->nh.raw, head->h.raw-head->nh.raw, head->csum); fq->fragments = NULL; diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index d5040e17229..d4af1cb5e19 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -334,7 +334,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) if (!rp->checksum) skb->ip_summed = CHECKSUM_UNNECESSARY; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_COMPLETE) { skb_postpull_rcsum(skb, skb->nh.raw, skb->h.raw - skb->nh.raw); if (!csum_ipv6_magic(&skb->nh.ipv6h->saddr, diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 4e299c69e1c..a8623d2b087 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -433,7 +433,7 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb, return; } - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_COMPLETE) skb->csum = csum_sub(skb->csum, csum_partial(skb->nh.raw, (u8*)(fhdr+1)-skb->nh.raw, 0)); @@ -647,7 +647,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in, head->len += fp->len; if (head->ip_summed != fp->ip_summed) head->ip_summed = CHECKSUM_NONE; - else if (head->ip_summed == CHECKSUM_HW) + else if (head->ip_summed == CHECKSUM_COMPLETE) head->csum = csum_add(head->csum, fp->csum); head->truesize += fp->truesize; atomic_sub(fp->truesize, &ip6_frag_mem); @@ -662,7 +662,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in, *skb_in = head; /* Yes, and fold redundant checksum back. 8) */ - if (head->ip_summed == CHECKSUM_HW) + if (head->ip_summed == CHECKSUM_COMPLETE) head->csum = csum_partial(head->nh.raw, head->h.raw-head->nh.raw, head->csum); IP6_INC_STATS_BH(IPSTATS_MIB_REASMOKS); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 302786a11cd..7f1b660493b 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -545,7 +545,7 @@ static void tcp_v6_send_check(struct sock *sk, int len, struct sk_buff *skb) struct ipv6_pinfo *np = inet6_sk(sk); struct tcphdr *th = skb->h.th; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { th->check = ~csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP, 0); skb->csum = offsetof(struct tcphdr, check); } else { @@ -570,7 +570,7 @@ static int tcp_v6_gso_send_check(struct sk_buff *skb) th->check = ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr, skb->len, IPPROTO_TCP, 0); skb->csum = offsetof(struct tcphdr, check); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_PARTIAL; return 0; } @@ -1033,7 +1033,7 @@ out: static int tcp_v6_checksum_init(struct sk_buff *skb) { - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_COMPLETE) { if (!tcp_v6_check(skb->h.th,skb->len,&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr,skb->csum)) { skb->ip_summed = CHECKSUM_UNNECESSARY; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 82c7c9cde2a..780b89f6dfc 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -475,7 +475,7 @@ static int udpv6_rcv(struct sk_buff **pskb) uh = skb->h.uh; } - if (skb->ip_summed == CHECKSUM_HW && + if (skb->ip_summed == CHECKSUM_COMPLETE && !csum_ipv6_magic(saddr, daddr, ulen, IPPROTO_UDP, skb->csum)) skb->ip_summed = CHECKSUM_UNNECESSARY; diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c index c8c8b44a0f5..6d111743e50 100644 --- a/net/ipv6/xfrm6_output.c +++ b/net/ipv6/xfrm6_output.c @@ -41,8 +41,8 @@ static int xfrm6_output_one(struct sk_buff *skb) struct xfrm_state *x = dst->xfrm; int err; - if (skb->ip_summed == CHECKSUM_HW) { - err = skb_checksum_help(skb, 0); + if (skb->ip_summed == CHECKSUM_PARTIAL) { + err = skb_checksum_help(skb); if (err) goto error_nolock; } diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index af8adcba23a..308d2abd7ee 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -823,8 +823,7 @@ static int tcp_error(struct sk_buff *skb, /* Checksum invalid? Ignore. * We skip checking packets on the outgoing path - * because the semantic of CHECKSUM_HW is different there - * and moreover root might send raw packets. + * because the checksum is assumed to be correct. */ /* FIXME: Source route IP option packets --RR */ if (nf_conntrack_checksum && diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c index ae07ebe3ab3..d36e03139e8 100644 --- a/net/netfilter/nf_conntrack_proto_udp.c +++ b/net/netfilter/nf_conntrack_proto_udp.c @@ -131,8 +131,7 @@ static int udp_error(struct sk_buff *skb, unsigned int dataoff, /* Checksum invalid? Ignore. * We skip checking packets on the outgoing path - * because the semantic of CHECKSUM_HW is different there - * and moreover root might send raw packets. + * because the checksum is assumed to be correct. * FIXME: Source route IP option packets --RR */ if (nf_conntrack_checksum && ((pf == PF_INET && hooknum == NF_IP_PRE_ROUTING) || diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 49ef41e34c4..eddfbe4441a 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -377,9 +377,9 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue, break; case NFQNL_COPY_PACKET: - if (entskb->ip_summed == CHECKSUM_HW && - (*errp = skb_checksum_help(entskb, - outdev == NULL))) { + if ((entskb->ip_summed == CHECKSUM_PARTIAL || + entskb->ip_summed == CHECKSUM_COMPLETE) && + (*errp = skb_checksum_help(entskb))) { spin_unlock_bh(&queue->lock); return NULL; } diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 4172a523591..300215bdbf4 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -586,7 +586,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe else if (skb->pkt_type == PACKET_OUTGOING) { /* Special case: outgoing packets have ll header at head */ skb_pull(skb, skb->nh.raw - skb->data); - if (skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_PARTIAL) status |= TP_STATUS_CSUMNOTREADY; } } diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index a08ec4c7c55..45939bafbdf 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -192,8 +192,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) */ if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) { if (!(skb = skb_unshare(skb, GFP_ATOMIC)) - || (skb->ip_summed == CHECKSUM_HW - && skb_checksum_help(skb, 0))) { + || (skb->ip_summed == CHECKSUM_PARTIAL + && skb_checksum_help(skb))) { sch->qstats.drops++; return NET_XMIT_DROP; } diff --git a/net/sunrpc/socklib.c b/net/sunrpc/socklib.c index eb330d4f66d..6f17527b9e6 100644 --- a/net/sunrpc/socklib.c +++ b/net/sunrpc/socklib.c @@ -168,7 +168,7 @@ int csum_partial_copy_to_xdr(struct xdr_buf *xdr, struct sk_buff *skb) return -1; if ((unsigned short)csum_fold(desc.csum)) return -1; - if (unlikely(skb->ip_summed == CHECKSUM_HW)) + if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE)) netdev_rx_csum_fault(skb->dev); return 0; no_checksum: |