| nicvf_queues.c (297482) | nicvf_queues.c (297721) |
|---|---|
| 1/* 2 * Copyright (C) 2015 Cavium Inc. 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 --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/* 2 * Copyright (C) 2015 Cavium Inc. 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 --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/dev/vnic/nicvf_queues.c 297482 2016-04-01 06:28:33Z sephe $ | 26 * $FreeBSD: head/sys/dev/vnic/nicvf_queues.c 297721 2016-04-08 16:14:18Z zbb $ |
| 27 * 28 */ 29#include <sys/cdefs.h> | 27 * 28 */ 29#include <sys/cdefs.h> |
| 30__FBSDID("$FreeBSD: head/sys/dev/vnic/nicvf_queues.c 297482 2016-04-01 06:28:33Z sephe $"); | 30__FBSDID("$FreeBSD: head/sys/dev/vnic/nicvf_queues.c 297721 2016-04-08 16:14:18Z zbb $"); |
| 31 32#include "opt_inet.h" 33#include "opt_inet6.h" 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/bitset.h> 38#include <sys/bitstring.h> --- 1860 unchanged lines hidden (view full) --- 1899 gather->addr = data; 1900} 1901 1902/* Put an mbuf to a SQ for packet transfer. */ 1903static int 1904nicvf_tx_mbuf_locked(struct snd_queue *sq, struct mbuf **mbufp) 1905{ 1906 bus_dma_segment_t segs[256]; | 31 32#include "opt_inet.h" 33#include "opt_inet6.h" 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/bitset.h> 38#include <sys/bitstring.h> --- 1860 unchanged lines hidden (view full) --- 1899 gather->addr = data; 1900} 1901 1902/* Put an mbuf to a SQ for packet transfer. */ 1903static int 1904nicvf_tx_mbuf_locked(struct snd_queue *sq, struct mbuf **mbufp) 1905{ 1906 bus_dma_segment_t segs[256]; |
| 1907 struct nicvf *nic; | |
| 1908 struct snd_buff *snd_buff; 1909 size_t seg; 1910 int nsegs, qentry; 1911 int subdesc_cnt; 1912 int err; 1913 1914 NICVF_TX_LOCK_ASSERT(sq); 1915 --- 7 unchanged lines hidden (view full) --- 1923 if (__predict_false(err != 0)) { 1924 /* ARM64TODO: Add mbuf defragmenting if we lack maps */ 1925 m_freem(*mbufp); 1926 *mbufp = NULL; 1927 return (err); 1928 } 1929 1930 /* Set how many subdescriptors is required */ | 1907 struct snd_buff *snd_buff; 1908 size_t seg; 1909 int nsegs, qentry; 1910 int subdesc_cnt; 1911 int err; 1912 1913 NICVF_TX_LOCK_ASSERT(sq); 1914 --- 7 unchanged lines hidden (view full) --- 1922 if (__predict_false(err != 0)) { 1923 /* ARM64TODO: Add mbuf defragmenting if we lack maps */ 1924 m_freem(*mbufp); 1925 *mbufp = NULL; 1926 return (err); 1927 } 1928 1929 /* Set how many subdescriptors is required */ |
| 1931 nic = sq->nic; 1932 if ((*mbufp)->m_pkthdr.tso_segsz != 0 && nic->hw_tso) 1933 subdesc_cnt = MIN_SQ_DESC_PER_PKT_XMIT; 1934 else 1935 subdesc_cnt = MIN_SQ_DESC_PER_PKT_XMIT + nsegs - 1; 1936 | 1930 subdesc_cnt = MIN_SQ_DESC_PER_PKT_XMIT + nsegs - 1; |
| 1937 if (subdesc_cnt > sq->free_cnt) { 1938 /* ARM64TODO: Add mbuf defragmentation if we lack descriptors */ 1939 bus_dmamap_unload(sq->snd_buff_dmat, snd_buff->dmap); 1940 return (ENOBUFS); 1941 } 1942 1943 qentry = nicvf_get_sq_desc(sq, subdesc_cnt); 1944 --- 436 unchanged lines hidden --- | 1931 if (subdesc_cnt > sq->free_cnt) { 1932 /* ARM64TODO: Add mbuf defragmentation if we lack descriptors */ 1933 bus_dmamap_unload(sq->snd_buff_dmat, snd_buff->dmap); 1934 return (ENOBUFS); 1935 } 1936 1937 qentry = nicvf_get_sq_desc(sq, subdesc_cnt); 1938 --- 436 unchanged lines hidden --- |