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Diffstat (limited to 'drivers/net/ethernet/tehuti')
-rw-r--r--drivers/net/ethernet/tehuti/tehuti.c214
1 files changed, 120 insertions, 94 deletions
diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c
index 447a6932cab..38da73a2a88 100644
--- a/drivers/net/ethernet/tehuti/tehuti.c
+++ b/drivers/net/ethernet/tehuti/tehuti.c
@@ -137,14 +137,15 @@ static void print_eth_id(struct net_device *ndev)
#define bdx_disable_interrupts(priv) \
do { WRITE_REG(priv, regIMR, 0); } while (0)
-/* bdx_fifo_init
- * create TX/RX descriptor fifo for host-NIC communication.
+/**
+ * bdx_fifo_init - create TX/RX descriptor fifo for host-NIC communication.
+ * @priv: NIC private structure
+ * @f: fifo to initialize
+ * @fsz_type: fifo size type: 0-4KB, 1-8KB, 2-16KB, 3-32KB
+ * @reg_XXX: offsets of registers relative to base address
+ *
* 1K extra space is allocated at the end of the fifo to simplify
* processing of descriptors that wraps around fifo's end
- * @priv - NIC private structure
- * @f - fifo to initialize
- * @fsz_type - fifo size type: 0-4KB, 1-8KB, 2-16KB, 3-32KB
- * @reg_XXX - offsets of registers relative to base address
*
* Returns 0 on success, negative value on failure
*
@@ -177,9 +178,10 @@ bdx_fifo_init(struct bdx_priv *priv, struct fifo *f, int fsz_type,
RET(0);
}
-/* bdx_fifo_free - free all resources used by fifo
- * @priv - NIC private structure
- * @f - fifo to release
+/**
+ * bdx_fifo_free - free all resources used by fifo
+ * @priv: NIC private structure
+ * @f: fifo to release
*/
static void bdx_fifo_free(struct bdx_priv *priv, struct fifo *f)
{
@@ -192,9 +194,9 @@ static void bdx_fifo_free(struct bdx_priv *priv, struct fifo *f)
RET();
}
-/*
+/**
* bdx_link_changed - notifies OS about hw link state.
- * @bdx_priv - hw adapter structure
+ * @priv: hw adapter structure
*/
static void bdx_link_changed(struct bdx_priv *priv)
{
@@ -233,10 +235,10 @@ static void bdx_isr_extra(struct bdx_priv *priv, u32 isr)
}
-/* bdx_isr - Interrupt Service Routine for Bordeaux NIC
- * @irq - interrupt number
- * @ndev - network device
- * @regs - CPU registers
+/**
+ * bdx_isr_napi - Interrupt Service Routine for Bordeaux NIC
+ * @irq: interrupt number
+ * @dev: network device
*
* Return IRQ_NONE if it was not our interrupt, IRQ_HANDLED - otherwise
*
@@ -307,8 +309,10 @@ static int bdx_poll(struct napi_struct *napi, int budget)
return work_done;
}
-/* bdx_fw_load - loads firmware to NIC
- * @priv - NIC private structure
+/**
+ * bdx_fw_load - loads firmware to NIC
+ * @priv: NIC private structure
+ *
* Firmware is loaded via TXD fifo, so it must be initialized first.
* Firware must be loaded once per NIC not per PCI device provided by NIC (NIC
* can have few of them). So all drivers use semaphore register to choose one
@@ -380,8 +384,9 @@ static void bdx_restore_mac(struct net_device *ndev, struct bdx_priv *priv)
RET();
}
-/* bdx_hw_start - inits registers and starts HW's Rx and Tx engines
- * @priv - NIC private structure
+/**
+ * bdx_hw_start - inits registers and starts HW's Rx and Tx engines
+ * @priv: NIC private structure
*/
static int bdx_hw_start(struct bdx_priv *priv)
{
@@ -691,12 +696,13 @@ static int bdx_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
RET(-EOPNOTSUPP);
}
-/*
+/**
* __bdx_vlan_rx_vid - private helper for adding/killing VLAN vid
- * by passing VLAN filter table to hardware
- * @ndev network device
- * @vid VLAN vid
- * @op add or kill operation
+ * @ndev: network device
+ * @vid: VLAN vid
+ * @op: add or kill operation
+ *
+ * Passes VLAN filter table to hardware
*/
static void __bdx_vlan_rx_vid(struct net_device *ndev, uint16_t vid, int enable)
{
@@ -722,23 +728,23 @@ static void __bdx_vlan_rx_vid(struct net_device *ndev, uint16_t vid, int enable)
RET();
}
-/*
+/**
* bdx_vlan_rx_add_vid - kernel hook for adding VLAN vid to hw filtering table
- * @ndev network device
- * @vid VLAN vid to add
+ * @ndev: network device
+ * @vid: VLAN vid to add
*/
-static int bdx_vlan_rx_add_vid(struct net_device *ndev, uint16_t vid)
+static int bdx_vlan_rx_add_vid(struct net_device *ndev, __be16 proto, u16 vid)
{
__bdx_vlan_rx_vid(ndev, vid, 1);
return 0;
}
-/*
+/**
* bdx_vlan_rx_kill_vid - kernel hook for killing VLAN vid in hw filtering table
- * @ndev network device
- * @vid VLAN vid to kill
+ * @ndev: network device
+ * @vid: VLAN vid to kill
*/
-static int bdx_vlan_rx_kill_vid(struct net_device *ndev, unsigned short vid)
+static int bdx_vlan_rx_kill_vid(struct net_device *ndev, __be16 proto, u16 vid)
{
__bdx_vlan_rx_vid(ndev, vid, 0);
return 0;
@@ -974,8 +980,9 @@ static inline void bdx_rxdb_free_elem(struct rxdb *db, int n)
* Rx Init *
*************************************************************************/
-/* bdx_rx_init - initialize RX all related HW and SW resources
- * @priv - NIC private structure
+/**
+ * bdx_rx_init - initialize RX all related HW and SW resources
+ * @priv: NIC private structure
*
* Returns 0 on success, negative value on failure
*
@@ -1016,9 +1023,10 @@ err_mem:
return -ENOMEM;
}
-/* bdx_rx_free_skbs - frees and unmaps all skbs allocated for the fifo
- * @priv - NIC private structure
- * @f - RXF fifo
+/**
+ * bdx_rx_free_skbs - frees and unmaps all skbs allocated for the fifo
+ * @priv: NIC private structure
+ * @f: RXF fifo
*/
static void bdx_rx_free_skbs(struct bdx_priv *priv, struct rxf_fifo *f)
{
@@ -1045,8 +1053,10 @@ static void bdx_rx_free_skbs(struct bdx_priv *priv, struct rxf_fifo *f)
}
}
-/* bdx_rx_free - release all Rx resources
- * @priv - NIC private structure
+/**
+ * bdx_rx_free - release all Rx resources
+ * @priv: NIC private structure
+ *
* It assumes that Rx is desabled in HW
*/
static void bdx_rx_free(struct bdx_priv *priv)
@@ -1067,9 +1077,11 @@ static void bdx_rx_free(struct bdx_priv *priv)
* Rx Engine *
*************************************************************************/
-/* bdx_rx_alloc_skbs - fill rxf fifo with new skbs
- * @priv - nic's private structure
- * @f - RXF fifo that needs skbs
+/**
+ * bdx_rx_alloc_skbs - fill rxf fifo with new skbs
+ * @priv: nic's private structure
+ * @f: RXF fifo that needs skbs
+ *
* It allocates skbs, build rxf descs and push it (rxf descr) into rxf fifo.
* skb's virtual and physical addresses are stored in skb db.
* To calculate free space, func uses cached values of RPTR and WPTR
@@ -1090,10 +1102,9 @@ static void bdx_rx_alloc_skbs(struct bdx_priv *priv, struct rxf_fifo *f)
dno = bdx_rxdb_available(db) - 1;
while (dno > 0) {
skb = netdev_alloc_skb(priv->ndev, f->m.pktsz + NET_IP_ALIGN);
- if (!skb) {
- pr_err("NO MEM: netdev_alloc_skb failed\n");
+ if (!skb)
break;
- }
+
skb_reserve(skb, NET_IP_ALIGN);
idx = bdx_rxdb_alloc_elem(db);
@@ -1137,7 +1148,7 @@ NETIF_RX_MUX(struct bdx_priv *priv, u32 rxd_val1, u16 rxd_vlan,
priv->ndev->name,
GET_RXD_VLAN_ID(rxd_vlan),
GET_RXD_VTAG(rxd_val1));
- __vlan_hwaccel_put_tag(skb, GET_RXD_VLAN_TCI(rxd_vlan));
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), GET_RXD_VLAN_TCI(rxd_vlan));
}
netif_receive_skb(skb);
}
@@ -1179,13 +1190,15 @@ static void bdx_recycle_skb(struct bdx_priv *priv, struct rxd_desc *rxdd)
RET();
}
-/* bdx_rx_receive - receives full packets from RXD fifo and pass them to OS
+/**
+ * bdx_rx_receive - receives full packets from RXD fifo and pass them to OS
* NOTE: a special treatment is given to non-continuous descriptors
* that start near the end, wraps around and continue at the beginning. a second
* part is copied right after the first, and then descriptor is interpreted as
* normal. fifo has an extra space to allow such operations
- * @priv - nic's private structure
- * @f - RXF fifo that needs skbs
+ * @priv: nic's private structure
+ * @f: RXF fifo that needs skbs
+ * @budget: maximum number of packets to receive
*/
/* TBD: replace memcpy func call by explicite inline asm */
@@ -1375,9 +1388,10 @@ static inline int bdx_tx_db_size(struct txdb *db)
return db->size - taken;
}
-/* __bdx_tx_ptr_next - helper function, increment read/write pointer + wrap
- * @d - tx data base
- * @ptr - read or write pointer
+/**
+ * __bdx_tx_db_ptr_next - helper function, increment read/write pointer + wrap
+ * @db: tx data base
+ * @pptr: read or write pointer
*/
static inline void __bdx_tx_db_ptr_next(struct txdb *db, struct tx_map **pptr)
{
@@ -1394,8 +1408,9 @@ static inline void __bdx_tx_db_ptr_next(struct txdb *db, struct tx_map **pptr)
*pptr = db->start;
}
-/* bdx_tx_db_inc_rptr - increment read pointer
- * @d - tx data base
+/**
+ * bdx_tx_db_inc_rptr - increment read pointer
+ * @db: tx data base
*/
static inline void bdx_tx_db_inc_rptr(struct txdb *db)
{
@@ -1403,8 +1418,9 @@ static inline void bdx_tx_db_inc_rptr(struct txdb *db)
__bdx_tx_db_ptr_next(db, &db->rptr);
}
-/* bdx_tx_db_inc_rptr - increment write pointer
- * @d - tx data base
+/**
+ * bdx_tx_db_inc_wptr - increment write pointer
+ * @db: tx data base
*/
static inline void bdx_tx_db_inc_wptr(struct txdb *db)
{
@@ -1413,9 +1429,11 @@ static inline void bdx_tx_db_inc_wptr(struct txdb *db)
a result of write */
}
-/* bdx_tx_db_init - creates and initializes tx db
- * @d - tx data base
- * @sz_type - size of tx fifo
+/**
+ * bdx_tx_db_init - creates and initializes tx db
+ * @d: tx data base
+ * @sz_type: size of tx fifo
+ *
* Returns 0 on success, error code otherwise
*/
static int bdx_tx_db_init(struct txdb *d, int sz_type)
@@ -1441,8 +1459,9 @@ static int bdx_tx_db_init(struct txdb *d, int sz_type)
return 0;
}
-/* bdx_tx_db_close - closes tx db and frees all memory
- * @d - tx data base
+/**
+ * bdx_tx_db_close - closes tx db and frees all memory
+ * @d: tx data base
*/
static void bdx_tx_db_close(struct txdb *d)
{
@@ -1463,9 +1482,11 @@ static struct {
u16 qwords; /* qword = 64 bit */
} txd_sizes[MAX_SKB_FRAGS + 1];
-/* txdb_map_skb - creates and stores dma mappings for skb's data blocks
- * @priv - NIC private structure
- * @skb - socket buffer to map
+/**
+ * bdx_tx_map_skb - creates and stores dma mappings for skb's data blocks
+ * @priv: NIC private structure
+ * @skb: socket buffer to map
+ * @txdd: TX descriptor to use
*
* It makes dma mappings for skb's data blocks and writes them to PBL of
* new tx descriptor. It also stores them in the tx db, so they could be
@@ -1562,9 +1583,10 @@ err_mem:
return -ENOMEM;
}
-/*
+/**
* bdx_tx_space - calculates available space in TX fifo
- * @priv - NIC private structure
+ * @priv: NIC private structure
+ *
* Returns available space in TX fifo in bytes
*/
static inline int bdx_tx_space(struct bdx_priv *priv)
@@ -1579,9 +1601,10 @@ static inline int bdx_tx_space(struct bdx_priv *priv)
return fsize;
}
-/* bdx_tx_transmit - send packet to NIC
- * @skb - packet to send
- * ndev - network device assigned to NIC
+/**
+ * bdx_tx_transmit - send packet to NIC
+ * @skb: packet to send
+ * @ndev: network device assigned to NIC
* Return codes:
* o NETDEV_TX_OK everything ok.
* o NETDEV_TX_BUSY Cannot transmit packet, try later
@@ -1699,8 +1722,10 @@ static netdev_tx_t bdx_tx_transmit(struct sk_buff *skb,
return NETDEV_TX_OK;
}
-/* bdx_tx_cleanup - clean TXF fifo, run in the context of IRQ.
- * @priv - bdx adapter
+/**
+ * bdx_tx_cleanup - clean TXF fifo, run in the context of IRQ.
+ * @priv: bdx adapter
+ *
* It scans TXF fifo for descriptors, frees DMA mappings and reports to OS
* that those packets were sent
*/
@@ -1739,7 +1764,7 @@ static void bdx_tx_cleanup(struct bdx_priv *priv)
WRITE_REG(priv, f->m.reg_RPTR, f->m.rptr & TXF_WPTR_WR_PTR);
/* We reclaimed resources, so in case the Q is stopped by xmit callback,
- * we resume the transmition and use tx_lock to synchronize with xmit.*/
+ * we resume the transmission and use tx_lock to synchronize with xmit.*/
spin_lock(&priv->tx_lock);
priv->tx_level += tx_level;
BDX_ASSERT(priv->tx_level <= 0 || priv->tx_level > BDX_MAX_TX_LEVEL);
@@ -1761,7 +1786,8 @@ static void bdx_tx_cleanup(struct bdx_priv *priv)
spin_unlock(&priv->tx_lock);
}
-/* bdx_tx_free_skbs - frees all skbs from TXD fifo.
+/**
+ * bdx_tx_free_skbs - frees all skbs from TXD fifo.
* It gets called when OS stops this dev, eg upon "ifconfig down" or rmmod
*/
static void bdx_tx_free_skbs(struct bdx_priv *priv)
@@ -1790,10 +1816,11 @@ static void bdx_tx_free(struct bdx_priv *priv)
bdx_tx_db_close(&priv->txdb);
}
-/* bdx_tx_push_desc - push descriptor to TxD fifo
- * @priv - NIC private structure
- * @data - desc's data
- * @size - desc's size
+/**
+ * bdx_tx_push_desc - push descriptor to TxD fifo
+ * @priv: NIC private structure
+ * @data: desc's data
+ * @size: desc's size
*
* Pushes desc to TxD fifo and overlaps it if needed.
* NOTE: this func does not check for available space. this is responsibility
@@ -1819,10 +1846,11 @@ static void bdx_tx_push_desc(struct bdx_priv *priv, void *data, int size)
WRITE_REG(priv, f->m.reg_WPTR, f->m.wptr & TXF_WPTR_WR_PTR);
}
-/* bdx_tx_push_desc_safe - push descriptor to TxD fifo in a safe way
- * @priv - NIC private structure
- * @data - desc's data
- * @size - desc's size
+/**
+ * bdx_tx_push_desc_safe - push descriptor to TxD fifo in a safe way
+ * @priv: NIC private structure
+ * @data: desc's data
+ * @size: desc's size
*
* NOTE: this func does check for available space and, if necessary, waits for
* NIC to read existing data before writing new one.
@@ -1885,7 +1913,7 @@ static const struct net_device_ops bdx_netdev_ops = {
*/
/* TBD: netif_msg should be checked and implemented. I disable it for now */
-static int __devinit
+static int
bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct net_device *ndev;
@@ -1989,12 +2017,11 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* so we can have them same for all ports of the board */
ndev->if_port = port;
ndev->features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO
- | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX |
- NETIF_F_HW_VLAN_FILTER | NETIF_F_RXCSUM
- /*| NETIF_F_FRAGLIST */
+ | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
+ NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM
;
ndev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
- NETIF_F_TSO | NETIF_F_HW_VLAN_TX;
+ NETIF_F_TSO | NETIF_F_HW_VLAN_CTAG_TX;
if (pci_using_dac)
ndev->features |= NETIF_F_HIGHDMA;
@@ -2150,10 +2177,10 @@ bdx_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
struct bdx_priv *priv = netdev_priv(netdev);
- strlcat(drvinfo->driver, BDX_DRV_NAME, sizeof(drvinfo->driver));
- strlcat(drvinfo->version, BDX_DRV_VERSION, sizeof(drvinfo->version));
- strlcat(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
- strlcat(drvinfo->bus_info, pci_name(priv->pdev),
+ strlcpy(drvinfo->driver, BDX_DRV_NAME, sizeof(drvinfo->driver));
+ strlcpy(drvinfo->version, BDX_DRV_VERSION, sizeof(drvinfo->version));
+ strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
+ strlcpy(drvinfo->bus_info, pci_name(priv->pdev),
sizeof(drvinfo->bus_info));
drvinfo->n_stats = ((priv->stats_flag) ? ARRAY_SIZE(bdx_stat_names) : 0);
@@ -2386,7 +2413,7 @@ static void bdx_set_ethtool_ops(struct net_device *netdev)
.get_ethtool_stats = bdx_get_ethtool_stats,
};
- SET_ETHTOOL_OPS(netdev, &bdx_ethtool_ops);
+ netdev->ethtool_ops = &bdx_ethtool_ops;
}
/**
@@ -2398,7 +2425,7 @@ static void bdx_set_ethtool_ops(struct net_device *netdev)
* Hot-Plug event, or because the driver is going to be removed from
* memory.
**/
-static void __devexit bdx_remove(struct pci_dev *pdev)
+static void bdx_remove(struct pci_dev *pdev)
{
struct pci_nic *nic = pci_get_drvdata(pdev);
struct net_device *ndev;
@@ -2419,7 +2446,6 @@ static void __devexit bdx_remove(struct pci_dev *pdev)
iounmap(nic->regs);
pci_release_regions(pdev);
pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
vfree(nic);
RET();
@@ -2429,7 +2455,7 @@ static struct pci_driver bdx_pci_driver = {
.name = BDX_DRV_NAME,
.id_table = bdx_pci_tbl,
.probe = bdx_probe,
- .remove = __devexit_p(bdx_remove),
+ .remove = bdx_remove,
};
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-11 06:17:14 +0000