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| author | Stephen Hemminger <shemminger@vyatta.com> | 2009-08-27 13:55:14 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-08-28 23:32:07 -0700 |
| commit | 5b8db2f568c4ee2a436f0e1c1416153e2878f869 (patch) | |
| tree | b662ccc7a3e599209dc2d2b2217cc80b8c66bd29 /net/core/pktgen.c | |
| parent | e470757d6179eb8998881ac2706927d4d0cb0e54 (diff) | |
| download | linux-5b8db2f568c4ee2a436f0e1c1416153e2878f869.tar.gz linux-5b8db2f568c4ee2a436f0e1c1416153e2878f869.tar.bz2 linux-5b8db2f568c4ee2a436f0e1c1416153e2878f869.zip | |
pktgen: reorganize transmit loop
Handle standard (and non-standard) return values in a switch.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/pktgen.c')
| -rw-r--r-- | net/core/pktgen.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 2456bd5b086f..bce9bf4b4a62 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3424,27 +3424,29 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev) pkt_dev->last_ok = 0; else { atomic_inc(&(pkt_dev->skb->users)); - retry_now: + + retry_now: ret = (*xmit)(pkt_dev->skb, odev); - if (likely(ret == NETDEV_TX_OK)) { + switch (ret) { + case NETDEV_TX_OK: txq_trans_update(txq); pkt_dev->last_ok = 1; pkt_dev->sofar++; pkt_dev->seq_num++; pkt_dev->tx_bytes += pkt_dev->cur_pkt_size; - - } else if (ret == NETDEV_TX_LOCKED - && (odev->features & NETIF_F_LLTX)) { + break; + case NETDEV_TX_LOCKED: cpu_relax(); goto retry_now; - } else { /* Retry it next time */ - - atomic_dec(&(pkt_dev->skb->users)); - - if (debug && net_ratelimit()) - printk(KERN_INFO "pktgen: Hard xmit error\n"); - + default: /* Drivers are not supposed to return other values! */ + if (net_ratelimit()) + pr_info("pktgen: %s xmit error: %d\n", + odev->name, ret); pkt_dev->errors++; + /* fallthru */ + case NETDEV_TX_BUSY: + /* Retry it next time */ + atomic_dec(&(pkt_dev->skb->users)); pkt_dev->last_ok = 0; } |