diff options
| -rw-r--r-- | hw/net/npcm_gmac.c | 26 | ||||
| -rw-r--r-- | net/passt.c | 22 | ||||
| -rw-r--r-- | net/tap.c | 9 | ||||
| -rw-r--r-- | net/vhost-user.c | 9 |
4 files changed, 26 insertions, 40 deletions
diff --git a/hw/net/npcm_gmac.c b/hw/net/npcm_gmac.c index a434112580..5e32cd3edf 100644 --- a/hw/net/npcm_gmac.c +++ b/hw/net/npcm_gmac.c @@ -516,8 +516,6 @@ static void gmac_try_send_next_packet(NPCMGMACState *gmac) uint32_t desc_addr; struct NPCMGMACTxDesc tx_desc; uint32_t tx_buf_addr, tx_buf_len; - uint16_t length = 0; - uint8_t *buf = tx_send_buffer; uint32_t prev_buf_size = 0; int csum = 0; @@ -568,22 +566,20 @@ static void gmac_try_send_next_packet(NPCMGMACState *gmac) tx_buf_addr = tx_desc.tdes2; gmac->regs[R_NPCM_DMA_CUR_TX_BUF_ADDR] = tx_buf_addr; tx_buf_len = TX_DESC_TDES1_BFFR1_SZ_MASK(tx_desc.tdes1); - buf = &tx_send_buffer[prev_buf_size]; - if ((prev_buf_size + tx_buf_len) > sizeof(buf)) { + if ((prev_buf_size + tx_buf_len) > tx_buffer_size) { tx_buffer_size = prev_buf_size + tx_buf_len; tx_send_buffer = g_realloc(tx_send_buffer, tx_buffer_size); - buf = &tx_send_buffer[prev_buf_size]; } /* step 5 */ - if (dma_memory_read(&address_space_memory, tx_buf_addr, buf, + if (dma_memory_read(&address_space_memory, tx_buf_addr, + tx_send_buffer + prev_buf_size, tx_buf_len, MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: Failed to read packet @ 0x%x\n", __func__, tx_buf_addr); return; } - length += tx_buf_len; prev_buf_size += tx_buf_len; /* If not chained we'll have a second buffer. */ @@ -591,30 +587,32 @@ static void gmac_try_send_next_packet(NPCMGMACState *gmac) tx_buf_addr = tx_desc.tdes3; gmac->regs[R_NPCM_DMA_CUR_TX_BUF_ADDR] = tx_buf_addr; tx_buf_len = TX_DESC_TDES1_BFFR2_SZ_MASK(tx_desc.tdes1); - buf = &tx_send_buffer[prev_buf_size]; - if ((prev_buf_size + tx_buf_len) > sizeof(buf)) { + if ((prev_buf_size + tx_buf_len) > tx_buffer_size) { tx_buffer_size = prev_buf_size + tx_buf_len; tx_send_buffer = g_realloc(tx_send_buffer, tx_buffer_size); - buf = &tx_send_buffer[prev_buf_size]; } - if (dma_memory_read(&address_space_memory, tx_buf_addr, buf, + if (dma_memory_read(&address_space_memory, tx_buf_addr, + tx_send_buffer + prev_buf_size, tx_buf_len, MEMTXATTRS_UNSPECIFIED)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: Failed to read packet @ 0x%x\n", __func__, tx_buf_addr); return; } - length += tx_buf_len; prev_buf_size += tx_buf_len; } if (tx_desc.tdes1 & TX_DESC_TDES1_LAST_SEG_MASK) { + /* + * This will truncate the packet at 64K. + * TODO: find out if this is the correct behaviour. + */ + uint16_t length = prev_buf_size; net_checksum_calculate(tx_send_buffer, length, csum); qemu_send_packet(qemu_get_queue(gmac->nic), tx_send_buffer, length); trace_npcm_gmac_packet_sent(DEVICE(gmac)->canonical_path, length); - buf = tx_send_buffer; - length = 0; + prev_buf_size = 0; } /* step 6 */ diff --git a/net/passt.c b/net/passt.c index 6f616ba3c2..32ecffb763 100644 --- a/net/passt.c +++ b/net/passt.c @@ -103,7 +103,10 @@ static void net_passt_cleanup(NetClientState *nc) #endif kill(s->pid, SIGTERM); - g_remove(s->pidfile); + if (g_remove(s->pidfile) != 0) { + warn_report("Failed to remove passt pidfile %s: %s", + s->pidfile, strerror(errno)); + } g_free(s->pidfile); g_ptr_array_free(s->args, TRUE); } @@ -121,7 +124,7 @@ static gboolean net_passt_send(QIOChannel *ioc, GIOCondition condition, { if (net_stream_data_send(ioc, condition, data) == G_SOURCE_REMOVE) { NetPasstState *s = DO_UPCAST(NetPasstState, data, data); - Error *error; + Error *error = NULL; /* we need to restart passt */ kill(s->pid, SIGTERM); @@ -375,7 +378,8 @@ static int passt_vhost_user_start(NetPasstState *s, VhostUserState *be) net = vhost_net_init(&options); if (!net) { error_report("failed to init passt vhost_net"); - goto err; + passt_vhost_user_stop(s); + return -1; } if (s->vhost_net) { @@ -385,19 +389,11 @@ static int passt_vhost_user_start(NetPasstState *s, VhostUserState *be) s->vhost_net = net; return 0; -err: - if (net) { - vhost_net_cleanup(net); - g_free(net); - } - passt_vhost_user_stop(s); - return -1; } static void passt_vhost_user_event(void *opaque, QEMUChrEvent event) { NetPasstState *s = opaque; - Error *err = NULL; switch (event) { case CHR_EVENT_OPENED: @@ -428,10 +424,6 @@ static void passt_vhost_user_event(void *opaque, QEMUChrEvent event) /* Ignore */ break; } - - if (err) { - error_report_err(err); - } } static int net_passt_vhost_user_init(NetPasstState *s, Error **errp) diff --git a/net/tap.c b/net/tap.c index 23536c09b4..f7df702f97 100644 --- a/net/tap.c +++ b/net/tap.c @@ -190,6 +190,11 @@ static void tap_send(void *opaque) break; } + if (s->host_vnet_hdr_len && size <= s->host_vnet_hdr_len) { + /* Invalid packet */ + break; + } + if (s->host_vnet_hdr_len && !s->using_vnet_hdr) { buf += s->host_vnet_hdr_len; size -= s->host_vnet_hdr_len; @@ -890,8 +895,8 @@ int net_init_tap(const Netdev *netdev, const char *name, goto free_fail; } - ret = g_unix_set_fd_nonblocking(fd, true, NULL); - if (!ret) { + if (!g_unix_set_fd_nonblocking(fd, true, NULL)) { + ret = -1; error_setg_errno(errp, errno, "%s: Can't use file descriptor %d", name, fd); goto free_fail; diff --git a/net/vhost-user.c b/net/vhost-user.c index 1c3b8b36f3..8b96157145 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -298,7 +298,6 @@ static void chr_closed_bh(void *opaque) const char *name = opaque; NetClientState *ncs[MAX_QUEUE_NUM]; NetVhostUserState *s; - Error *err = NULL; int queues, i; queues = qemu_find_net_clients_except(name, ncs, @@ -317,9 +316,6 @@ static void chr_closed_bh(void *opaque) qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, net_vhost_user_event, NULL, opaque, NULL, true); - if (err) { - error_report_err(err); - } qapi_event_send_netdev_vhost_user_disconnected(name); } @@ -329,7 +325,6 @@ static void net_vhost_user_event(void *opaque, QEMUChrEvent event) NetClientState *ncs[MAX_QUEUE_NUM]; NetVhostUserState *s; Chardev *chr; - Error *err = NULL; int queues; queues = qemu_find_net_clients_except(name, ncs, @@ -375,10 +370,6 @@ static void net_vhost_user_event(void *opaque, QEMUChrEvent event) /* Ignore */ break; } - - if (err) { - error_report_err(err); - } } static int net_vhost_user_init(NetClientState *peer, const char *device, |