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Diffstat (limited to 'include/net/llc_pdu.h')
-rw-r--r--include/net/llc_pdu.h52
1 files changed, 22 insertions, 30 deletions
diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h
index 75b8e2968c9..c0f0a13ed81 100644
--- a/include/net/llc_pdu.h
+++ b/include/net/llc_pdu.h
@@ -13,7 +13,6 @@
*/
#include <linux/if_ether.h>
-#include <linux/if_tr.h>
/* Lengths of frame formats */
#define LLC_PDU_LEN_I 4 /* header and 2 control bytes */
@@ -143,7 +142,7 @@
#define LLC_S_PF_IS_1(pdu) ((pdu->ctrl_2 & LLC_S_PF_BIT_MASK) ? 1 : 0)
#define PDU_SUPV_GET_Nr(pdu) ((pdu->ctrl_2 & 0xFE) >> 1)
-#define PDU_GET_NEXT_Vr(sn) (++sn & ~LLC_2_SEQ_NBR_MODULO)
+#define PDU_GET_NEXT_Vr(sn) (((sn) + 1) & ~LLC_2_SEQ_NBR_MODULO)
/* FRMR information field macros */
@@ -199,7 +198,7 @@ struct llc_pdu_sn {
u8 ssap;
u8 ctrl_1;
u8 ctrl_2;
-};
+} __packed;
static inline struct llc_pdu_sn *llc_pdu_sn_hdr(struct sk_buff *skb)
{
@@ -211,7 +210,7 @@ struct llc_pdu_un {
u8 dsap;
u8 ssap;
u8 ctrl_1;
-};
+} __packed;
static inline struct llc_pdu_un *llc_pdu_un_hdr(struct sk_buff *skb)
{
@@ -253,10 +252,6 @@ static inline void llc_pdu_decode_sa(struct sk_buff *skb, u8 *sa)
{
if (skb->protocol == htons(ETH_P_802_2))
memcpy(sa, eth_hdr(skb)->h_source, ETH_ALEN);
- else if (skb->protocol == htons(ETH_P_TR_802_2)) {
- memcpy(sa, tr_hdr(skb)->saddr, ETH_ALEN);
- *sa &= 0x7F;
- }
}
/**
@@ -270,8 +265,6 @@ static inline void llc_pdu_decode_da(struct sk_buff *skb, u8 *da)
{
if (skb->protocol == htons(ETH_P_802_2))
memcpy(da, eth_hdr(skb)->h_dest, ETH_ALEN);
- else if (skb->protocol == htons(ETH_P_TR_802_2))
- memcpy(da, tr_hdr(skb)->daddr, ETH_ALEN);
}
/**
@@ -359,7 +352,7 @@ struct llc_xid_info {
u8 fmt_id; /* always 0x81 for LLC */
u8 type; /* different if NULL/non-NULL LSAP */
u8 rw; /* sender receive window */
-};
+} __packed;
/**
* llc_pdu_init_as_xid_cmd - sets bytes 3, 4 & 5 of LLC header as XID
@@ -415,23 +408,22 @@ struct llc_frmr_info {
u8 curr_ssv; /* current send state variable val */
u8 curr_rsv; /* current receive state variable */
u8 ind_bits; /* indicator bits set with macro */
-};
-
-extern void llc_pdu_set_cmd_rsp(struct sk_buff *skb, u8 type);
-extern void llc_pdu_set_pf_bit(struct sk_buff *skb, u8 bit_value);
-extern void llc_pdu_decode_pf_bit(struct sk_buff *skb, u8 *pf_bit);
-extern void llc_pdu_init_as_disc_cmd(struct sk_buff *skb, u8 p_bit);
-extern void llc_pdu_init_as_i_cmd(struct sk_buff *skb, u8 p_bit, u8 ns, u8 nr);
-extern void llc_pdu_init_as_rej_cmd(struct sk_buff *skb, u8 p_bit, u8 nr);
-extern void llc_pdu_init_as_rnr_cmd(struct sk_buff *skb, u8 p_bit, u8 nr);
-extern void llc_pdu_init_as_rr_cmd(struct sk_buff *skb, u8 p_bit, u8 nr);
-extern void llc_pdu_init_as_sabme_cmd(struct sk_buff *skb, u8 p_bit);
-extern void llc_pdu_init_as_dm_rsp(struct sk_buff *skb, u8 f_bit);
-extern void llc_pdu_init_as_frmr_rsp(struct sk_buff *skb,
- struct llc_pdu_sn *prev_pdu,
- u8 f_bit, u8 vs, u8 vr, u8 vzyxw);
-extern void llc_pdu_init_as_rr_rsp(struct sk_buff *skb, u8 f_bit, u8 nr);
-extern void llc_pdu_init_as_rej_rsp(struct sk_buff *skb, u8 f_bit, u8 nr);
-extern void llc_pdu_init_as_rnr_rsp(struct sk_buff *skb, u8 f_bit, u8 nr);
-extern void llc_pdu_init_as_ua_rsp(struct sk_buff *skb, u8 f_bit);
+} __packed;
+
+void llc_pdu_set_cmd_rsp(struct sk_buff *skb, u8 type);
+void llc_pdu_set_pf_bit(struct sk_buff *skb, u8 bit_value);
+void llc_pdu_decode_pf_bit(struct sk_buff *skb, u8 *pf_bit);
+void llc_pdu_init_as_disc_cmd(struct sk_buff *skb, u8 p_bit);
+void llc_pdu_init_as_i_cmd(struct sk_buff *skb, u8 p_bit, u8 ns, u8 nr);
+void llc_pdu_init_as_rej_cmd(struct sk_buff *skb, u8 p_bit, u8 nr);
+void llc_pdu_init_as_rnr_cmd(struct sk_buff *skb, u8 p_bit, u8 nr);
+void llc_pdu_init_as_rr_cmd(struct sk_buff *skb, u8 p_bit, u8 nr);
+void llc_pdu_init_as_sabme_cmd(struct sk_buff *skb, u8 p_bit);
+void llc_pdu_init_as_dm_rsp(struct sk_buff *skb, u8 f_bit);
+void llc_pdu_init_as_frmr_rsp(struct sk_buff *skb, struct llc_pdu_sn *prev_pdu,
+ u8 f_bit, u8 vs, u8 vr, u8 vzyxw);
+void llc_pdu_init_as_rr_rsp(struct sk_buff *skb, u8 f_bit, u8 nr);
+void llc_pdu_init_as_rej_rsp(struct sk_buff *skb, u8 f_bit, u8 nr);
+void llc_pdu_init_as_rnr_rsp(struct sk_buff *skb, u8 f_bit, u8 nr);
+void llc_pdu_init_as_ua_rsp(struct sk_buff *skb, u8 f_bit);
#endif /* LLC_PDU_H */