if_vte.c (8fa0b743820f61c661ba5f3ea0e3be0dc137910e) if_vte.c (c6499eccad497913a5025fbde8ae76da70e08043)
1/*-
2 * Copyright (c) 2010, Pyun YongHyeon <yongari@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 1020 unchanged lines hidden (view full) ---

1029 bzero(mtod(m, char *) + m->m_pkthdr.len, padlen);
1030 m->m_pkthdr.len += padlen;
1031 m->m_len = m->m_pkthdr.len;
1032 }
1033 } else {
1034 if (M_WRITABLE(m) == 0) {
1035 if (m->m_next != NULL || padlen > 0) {
1036 /* Get a writable copy. */
1/*-
2 * Copyright (c) 2010, Pyun YongHyeon <yongari@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 1020 unchanged lines hidden (view full) ---

1029 bzero(mtod(m, char *) + m->m_pkthdr.len, padlen);
1030 m->m_pkthdr.len += padlen;
1031 m->m_len = m->m_pkthdr.len;
1032 }
1033 } else {
1034 if (M_WRITABLE(m) == 0) {
1035 if (m->m_next != NULL || padlen > 0) {
1036 /* Get a writable copy. */
1037 m = m_dup(*m_head, M_DONTWAIT);
1037 m = m_dup(*m_head, M_NOWAIT);
1038 /* Release original mbuf chains. */
1039 m_freem(*m_head);
1040 if (m == NULL) {
1041 *m_head = NULL;
1042 return (NULL);
1043 }
1044 *m_head = m;
1045 }
1046 }
1047
1048 if (m->m_next != NULL) {
1038 /* Release original mbuf chains. */
1039 m_freem(*m_head);
1040 if (m == NULL) {
1041 *m_head = NULL;
1042 return (NULL);
1043 }
1044 *m_head = m;
1045 }
1046 }
1047
1048 if (m->m_next != NULL) {
1049 m = m_defrag(*m_head, M_DONTWAIT);
1049 m = m_defrag(*m_head, M_NOWAIT);
1050 if (m == NULL) {
1051 m_freem(*m_head);
1052 *m_head = NULL;
1053 return (NULL);
1054 }
1055 *m_head = m;
1056 }
1057
1058 if (padlen > 0) {
1059 if (M_TRAILINGSPACE(m) < padlen) {
1050 if (m == NULL) {
1051 m_freem(*m_head);
1052 *m_head = NULL;
1053 return (NULL);
1054 }
1055 *m_head = m;
1056 }
1057
1058 if (padlen > 0) {
1059 if (M_TRAILINGSPACE(m) < padlen) {
1060 m = m_defrag(*m_head, M_DONTWAIT);
1060 m = m_defrag(*m_head, M_NOWAIT);
1061 if (m == NULL) {
1062 m_freem(*m_head);
1063 *m_head = NULL;
1064 return (NULL);
1065 }
1066 *m_head = m;
1067 }
1068 /* Zero out the bytes in the pad area. */

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1417static int
1418vte_newbuf(struct vte_softc *sc, struct vte_rxdesc *rxd)
1419{
1420 struct mbuf *m;
1421 bus_dma_segment_t segs[1];
1422 bus_dmamap_t map;
1423 int nsegs;
1424
1061 if (m == NULL) {
1062 m_freem(*m_head);
1063 *m_head = NULL;
1064 return (NULL);
1065 }
1066 *m_head = m;
1067 }
1068 /* Zero out the bytes in the pad area. */

--- 348 unchanged lines hidden (view full) ---

1417static int
1418vte_newbuf(struct vte_softc *sc, struct vte_rxdesc *rxd)
1419{
1420 struct mbuf *m;
1421 bus_dma_segment_t segs[1];
1422 bus_dmamap_t map;
1423 int nsegs;
1424
1425 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
1425 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1426 if (m == NULL)
1427 return (ENOBUFS);
1428 m->m_len = m->m_pkthdr.len = MCLBYTES;
1429 m_adj(m, sizeof(uint32_t));
1430
1431 if (bus_dmamap_load_mbuf_sg(sc->vte_cdata.vte_rx_tag,
1432 sc->vte_cdata.vte_rx_sparemap, m, segs, &nsegs, 0) != 0) {
1433 m_freem(m);

--- 431 unchanged lines hidden (view full) ---

1865
1866 sc->vte_cdata.vte_tx_prod = 0;
1867 sc->vte_cdata.vte_tx_cons = 0;
1868 sc->vte_cdata.vte_tx_cnt = 0;
1869
1870 /* Pre-allocate TX mbufs for deep copy. */
1871 if (tx_deep_copy != 0) {
1872 for (i = 0; i < VTE_TX_RING_CNT; i++) {
1426 if (m == NULL)
1427 return (ENOBUFS);
1428 m->m_len = m->m_pkthdr.len = MCLBYTES;
1429 m_adj(m, sizeof(uint32_t));
1430
1431 if (bus_dmamap_load_mbuf_sg(sc->vte_cdata.vte_rx_tag,
1432 sc->vte_cdata.vte_rx_sparemap, m, segs, &nsegs, 0) != 0) {
1433 m_freem(m);

--- 431 unchanged lines hidden (view full) ---

1865
1866 sc->vte_cdata.vte_tx_prod = 0;
1867 sc->vte_cdata.vte_tx_cons = 0;
1868 sc->vte_cdata.vte_tx_cnt = 0;
1869
1870 /* Pre-allocate TX mbufs for deep copy. */
1871 if (tx_deep_copy != 0) {
1872 for (i = 0; i < VTE_TX_RING_CNT; i++) {
1873 sc->vte_cdata.vte_txmbufs[i] = m_getcl(M_DONTWAIT,
1873 sc->vte_cdata.vte_txmbufs[i] = m_getcl(M_NOWAIT,
1874 MT_DATA, M_PKTHDR);
1875 if (sc->vte_cdata.vte_txmbufs[i] == NULL)
1876 return (ENOBUFS);
1877 sc->vte_cdata.vte_txmbufs[i]->m_pkthdr.len = MCLBYTES;
1878 sc->vte_cdata.vte_txmbufs[i]->m_len = MCLBYTES;
1879 }
1880 }
1881 desc = sc->vte_cdata.vte_tx_ring;

--- 167 unchanged lines hidden --- 		1874 MT_DATA, M_PKTHDR);
1875 if (sc->vte_cdata.vte_txmbufs[i] == NULL)
1876 return (ENOBUFS);
1877 sc->vte_cdata.vte_txmbufs[i]->m_pkthdr.len = MCLBYTES;
1878 sc->vte_cdata.vte_txmbufs[i]->m_len = MCLBYTES;
1879 }
1880 }
1881 desc = sc->vte_cdata.vte_tx_ring;

--- 167 unchanged lines hidden ---