Lines Matching refs:ptask
816 static void fwnet_free_ptask(struct fwnet_packet_task *ptask)
818 dev_kfree_skb_any(ptask->skb);
819 kmem_cache_free(fwnet_packet_task_cache, ptask);
829 static int fwnet_send_packet(struct fwnet_packet_task *ptask);
831 static void fwnet_transmit_packet_done(struct fwnet_packet_task *ptask)
833 struct fwnet_device *dev = ptask->dev;
834 struct sk_buff *skb = ptask->skb;
840 ptask->outstanding_pkts--;
843 free = (ptask->outstanding_pkts == 0 && ptask->enqueued);
847 if (ptask->outstanding_pkts == 0) {
854 if (ptask->outstanding_pkts > 0) {
860 /* Update the ptask to point to the next fragment and send it */
861 lf = fwnet_get_hdr_lf(&ptask->hdr);
868 ptask->outstanding_pkts, lf, ptask->hdr.w0,
869 ptask->hdr.w1);
874 dg_size = fwnet_get_hdr_dg_size(&ptask->hdr);
875 fg_off = ptask->max_payload - RFC2374_FRAG_HDR_SIZE;
876 datagram_label = fwnet_get_hdr_dgl(&ptask->hdr);
880 dg_size = fwnet_get_hdr_dg_size(&ptask->hdr);
881 fg_off = fwnet_get_hdr_fg_off(&ptask->hdr)
882 + ptask->max_payload - RFC2374_FRAG_HDR_SIZE;
883 datagram_label = fwnet_get_hdr_dgl(&ptask->hdr);
887 if (ptask->dest_node == IEEE1394_ALL_NODES) {
889 ptask->max_payload + IEEE1394_GASP_HDR_SIZE);
891 skb_pull(skb, ptask->max_payload);
893 if (ptask->outstanding_pkts > 1) {
894 fwnet_make_sf_hdr(&ptask->hdr, RFC2374_HDR_INTFRAG,
897 fwnet_make_sf_hdr(&ptask->hdr, RFC2374_HDR_LASTFRAG,
899 ptask->max_payload = skb->len + RFC2374_FRAG_HDR_SIZE;
901 fwnet_send_packet(ptask);
905 fwnet_free_ptask(ptask);
908 static void fwnet_transmit_packet_failed(struct fwnet_packet_task *ptask)
910 struct fwnet_device *dev = ptask->dev;
917 ptask->outstanding_pkts = 0;
920 free = ptask->enqueued;
930 fwnet_free_ptask(ptask);
936 struct fwnet_packet_task *ptask = data;
941 fwnet_transmit_packet_done(ptask);
944 dev_err(&ptask->dev->netdev->dev,
953 fwnet_transmit_packet_failed(ptask);
957 static int fwnet_send_packet(struct fwnet_packet_task *ptask)
965 dev = ptask->dev;
966 tx_len = ptask->max_payload;
967 switch (fwnet_get_hdr_lf(&ptask->hdr)) {
969 bufhdr = skb_push(ptask->skb, RFC2374_UNFRAG_HDR_SIZE);
970 put_unaligned_be32(ptask->hdr.w0, &bufhdr->w0);
976 bufhdr = skb_push(ptask->skb, RFC2374_FRAG_HDR_SIZE);
977 put_unaligned_be32(ptask->hdr.w0, &bufhdr->w0);
978 put_unaligned_be32(ptask->hdr.w1, &bufhdr->w1);
984 if (ptask->dest_node == IEEE1394_ALL_NODES) {
990 /* ptask->generation may not have been set yet */
995 switch (ptask->skb->protocol) {
1005 p = skb_push(ptask->skb, IEEE1394_GASP_HDR_SIZE);
1011 fw_send_request(dev->card, &ptask->transaction,
1015 generation, SCODE_100, 0ULL, ptask->skb->data,
1016 tx_len + 8, fwnet_write_complete, ptask);
1021 free = (ptask->outstanding_pkts == 0 && !ptask->enqueued);
1023 ptask->enqueued = true;
1032 fw_send_request(dev->card, &ptask->transaction,
1033 TCODE_WRITE_BLOCK_REQUEST, ptask->dest_node,
1034 ptask->generation, ptask->speed, ptask->fifo_addr,
1035 ptask->skb->data, tx_len, fwnet_write_complete, ptask);
1040 free = (ptask->outstanding_pkts == 0 && !ptask->enqueued);
1042 ptask->enqueued = true;
1051 fwnet_free_ptask(ptask);
1245 struct fwnet_packet_task *ptask;
1258 ptask = kmem_cache_alloc(fwnet_packet_task_cache, GFP_ATOMIC);
1259 if (ptask == NULL)
1295 ptask->fifo_addr = FWNET_NO_FIFO_ADDR;
1296 ptask->generation = 0;
1297 ptask->dest_node = IEEE1394_ALL_NODES;
1298 ptask->speed = SCODE_100;
1313 ptask->fifo_addr = fwnet_hwaddr_fifo(ha);
1314 ptask->generation = generation;
1315 ptask->dest_node = dest_node;
1316 ptask->speed = peer->speed;
1319 ptask->hdr.w0 = 0;
1320 ptask->hdr.w1 = 0;
1321 ptask->skb = skb;
1322 ptask->dev = dev;
1326 fwnet_make_uf_hdr(&ptask->hdr, ntohs(proto));
1327 ptask->outstanding_pkts = 1;
1334 fwnet_make_ff_hdr(&ptask->hdr, ntohs(proto), dg_size,
1336 ptask->outstanding_pkts = DIV_ROUND_UP(dg_size, max_payload);
1345 ptask->max_payload = max_payload;
1346 ptask->enqueued = 0;
1348 fwnet_send_packet(ptask);
1355 if (ptask)
1356 kmem_cache_free(fwnet_packet_task_cache, ptask);