X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Firda%2Firlap_frame.c;h=803ac41874852933b91853d470f58c88097ba145;hb=badff6d01a8589a1c828b0bf118903ca38627f4e;hp=6dafbb43b5296922f62cacf8c596d9987d835c0f;hpb=b03efcfb2180289718991bb984044ce6c5b7d1b0;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c index 6dafbb4..803ac41 100644 --- a/net/irda/irlap_frame.c +++ b/net/irda/irlap_frame.c @@ -93,7 +93,9 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb) { /* Some common init stuff */ skb->dev = self->netdev; - skb->h.raw = skb->nh.raw = skb->mac.raw = skb->data; + skb_reset_mac_header(skb); + skb_reset_network_header(skb); + skb_reset_transport_header(skb); skb->protocol = htons(ETH_P_IRDA); skb->priority = TC_PRIO_BESTEFFORT; @@ -117,7 +119,9 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos) IRDA_ASSERT(self->magic == LAP_MAGIC, return;); /* Allocate frame */ - tx_skb = dev_alloc_skb(64); + tx_skb = alloc_skb(sizeof(struct snrm_frame) + + IRLAP_NEGOCIATION_PARAMS_LEN, + GFP_ATOMIC); if (!tx_skb) return; @@ -136,7 +140,7 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos) * If we are establishing a connection then insert QoS paramerters */ if (qos) { - skb_put(tx_skb, 9); /* 21 left */ + skb_put(tx_skb, 9); /* 25 left */ frame->saddr = cpu_to_le32(self->saddr); frame->daddr = cpu_to_le32(self->daddr); @@ -210,7 +214,9 @@ void irlap_send_ua_response_frame(struct irlap_cb *self, struct qos_info *qos) IRDA_ASSERT(self->magic == LAP_MAGIC, return;); /* Allocate frame */ - tx_skb = dev_alloc_skb(64); + tx_skb = alloc_skb(sizeof(struct ua_frame) + + IRLAP_NEGOCIATION_PARAMS_LEN, + GFP_ATOMIC); if (!tx_skb) return; @@ -245,23 +251,23 @@ void irlap_send_ua_response_frame(struct irlap_cb *self, struct qos_info *qos) void irlap_send_dm_frame( struct irlap_cb *self) { struct sk_buff *tx_skb = NULL; - __u8 *frame; + struct dm_frame *frame; IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LAP_MAGIC, return;); - tx_skb = dev_alloc_skb(32); + tx_skb = alloc_skb(sizeof(struct dm_frame), GFP_ATOMIC); if (!tx_skb) return; - frame = skb_put(tx_skb, 2); + frame = (struct dm_frame *)skb_put(tx_skb, 2); if (self->state == LAP_NDM) - frame[0] = CBROADCAST; + frame->caddr = CBROADCAST; else - frame[0] = self->caddr; + frame->caddr = self->caddr; - frame[1] = DM_RSP | PF_BIT; + frame->control = DM_RSP | PF_BIT; irlap_queue_xmit(self, tx_skb); } @@ -275,21 +281,21 @@ void irlap_send_dm_frame( struct irlap_cb *self) void irlap_send_disc_frame(struct irlap_cb *self) { struct sk_buff *tx_skb = NULL; - __u8 *frame; + struct disc_frame *frame; IRDA_DEBUG(3, "%s()\n", __FUNCTION__); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LAP_MAGIC, return;); - tx_skb = dev_alloc_skb(16); + tx_skb = alloc_skb(sizeof(struct disc_frame), GFP_ATOMIC); if (!tx_skb) return; - frame = skb_put(tx_skb, 2); + frame = (struct disc_frame *)skb_put(tx_skb, 2); - frame[0] = self->caddr | CMD_FRAME; - frame[1] = DISC_CMD | PF_BIT; + frame->caddr = self->caddr | CMD_FRAME; + frame->control = DISC_CMD | PF_BIT; irlap_queue_xmit(self, tx_skb); } @@ -315,7 +321,8 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s, IRDA_ASSERT(self->magic == LAP_MAGIC, return;); IRDA_ASSERT(discovery != NULL, return;); - tx_skb = dev_alloc_skb(64); + tx_skb = alloc_skb(sizeof(struct xid_frame) + IRLAP_DISCOVERY_INFO_LEN, + GFP_ATOMIC); if (!tx_skb) return; @@ -409,7 +416,7 @@ static void irlap_recv_discovery_xid_rsp(struct irlap_cb *self, IRDA_ERROR("%s: frame to short!\n", __FUNCTION__); return; } - + xid = (struct xid_frame *) skb->data; info->daddr = le32_to_cpu(xid->saddr); @@ -422,11 +429,10 @@ static void irlap_recv_discovery_xid_rsp(struct irlap_cb *self, return; } - if ((discovery = kmalloc(sizeof(discovery_t), GFP_ATOMIC)) == NULL) { + if ((discovery = kzalloc(sizeof(discovery_t), GFP_ATOMIC)) == NULL) { IRDA_WARNING("%s: kmalloc failed!\n", __FUNCTION__); return; } - memset(discovery, 0, sizeof(discovery_t)); discovery->data.daddr = info->daddr; discovery->data.saddr = self->saddr; @@ -481,7 +487,7 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self, IRDA_ERROR("%s: frame to short!\n", __FUNCTION__); return; } - + xid = (struct xid_frame *) skb->data; info->daddr = le32_to_cpu(xid->saddr); @@ -520,7 +526,7 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self, */ if (info->s == 0xff) { /* Check if things are sane at this point... */ - if((discovery_info == NULL) || + if((discovery_info == NULL) || !pskb_may_pull(skb, 3)) { IRDA_ERROR("%s: discovery frame to short!\n", __FUNCTION__); @@ -574,18 +580,18 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self, void irlap_send_rr_frame(struct irlap_cb *self, int command) { struct sk_buff *tx_skb; - __u8 *frame; + struct rr_frame *frame; - tx_skb = dev_alloc_skb(16); + tx_skb = alloc_skb(sizeof(struct rr_frame), GFP_ATOMIC); if (!tx_skb) return; - frame = skb_put(tx_skb, 2); + frame = (struct rr_frame *)skb_put(tx_skb, 2); - frame[0] = self->caddr; - frame[0] |= (command) ? CMD_FRAME : 0; + frame->caddr = self->caddr; + frame->caddr |= (command) ? CMD_FRAME : 0; - frame[1] = RR | PF_BIT | (self->vr << 5); + frame->control = RR | PF_BIT | (self->vr << 5); irlap_queue_xmit(self, tx_skb); } @@ -599,16 +605,16 @@ void irlap_send_rr_frame(struct irlap_cb *self, int command) void irlap_send_rd_frame(struct irlap_cb *self) { struct sk_buff *tx_skb; - __u8 *frame; + struct rd_frame *frame; - tx_skb = dev_alloc_skb(16); + tx_skb = alloc_skb(sizeof(struct rd_frame), GFP_ATOMIC); if (!tx_skb) return; - frame = skb_put(tx_skb, 2); + frame = (struct rd_frame *)skb_put(tx_skb, 2); - frame[0] = self->caddr; - frame[1] = RD_RSP | PF_BIT; + frame->caddr = self->caddr; + frame->caddr = RD_RSP | PF_BIT; irlap_queue_xmit(self, tx_skb); } @@ -988,9 +994,6 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command) IRDA_DEBUG(0, "%s(), unable to copy\n", __FUNCTION__); return; } - /* Unlink tx_skb from list */ - tx_skb->next = tx_skb->prev = NULL; - tx_skb->list = NULL; /* Clear old Nr field + poll bit */ tx_skb->data[1] &= 0x0f; @@ -1063,9 +1066,6 @@ void irlap_resend_rejected_frame(struct irlap_cb *self, int command) IRDA_DEBUG(0, "%s(), unable to copy\n", __FUNCTION__); return; } - /* Unlink tx_skb from list */ - tx_skb->next = tx_skb->prev = NULL; - tx_skb->list = NULL; /* Clear old Nr field + poll bit */ tx_skb->data[1] &= 0x0f; @@ -1221,7 +1221,7 @@ void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr, struct test_frame *frame; __u8 *info; - tx_skb = dev_alloc_skb(cmd->len+sizeof(struct test_frame)); + tx_skb = alloc_skb(cmd->len + sizeof(struct test_frame), GFP_ATOMIC); if (!tx_skb) return; @@ -1309,7 +1309,7 @@ static void irlap_recv_test_frame(struct irlap_cb *self, struct sk_buff *skb, * Jean II */ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev, - struct packet_type *ptype) + struct packet_type *ptype, struct net_device *orig_dev) { struct irlap_info info; struct irlap_cb *self;