diff options
Diffstat (limited to 'target/linux/octeon/patches-3.10/0005-MIPS-Octeon-ethernet-dropped-napi.patch')
| -rw-r--r-- | target/linux/octeon/patches-3.10/0005-MIPS-Octeon-ethernet-dropped-napi.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/octeon/patches-3.10/0005-MIPS-Octeon-ethernet-dropped-napi.patch b/target/linux/octeon/patches-3.10/0005-MIPS-Octeon-ethernet-dropped-napi.patch new file mode 100644 index 0000000000..43d0f8cb47 --- /dev/null +++ b/target/linux/octeon/patches-3.10/0005-MIPS-Octeon-ethernet-dropped-napi.patch @@ -0,0 +1,45 @@ +From patchwork Thu Sep 5 18:43:59 2013 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [1/3] staging: octeon-ethernet: make dropped packets to consume NAPI + budget +From: Aaro Koskinen <aaro.koskinen@iki.fi> +X-Patchwork-Id: 5809 +Message-Id: <1378406641-16530-2-git-send-email-aaro.koskinen@iki.fi> +To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, + devel@driverdev.osuosl.org, linux-mips@linux-mips.org +Cc: David Daney <david.daney@cavium.com>, + "Jason A. Donenfeld" <Jason@zx2c4.com>, richard@nod.at, + Aaro Koskinen <aaro.koskinen@iki.fi> +Date: Thu, 5 Sep 2013 21:43:59 +0300 + +We should count also dropped packets, otherwise the NAPI handler may +end up running too long. + +Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> + +--- +drivers/staging/octeon/ethernet-rx.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c +index 34afc16..10e5416 100644 +--- a/drivers/staging/octeon/ethernet-rx.c ++++ b/drivers/staging/octeon/ethernet-rx.c +@@ -303,6 +303,7 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) + if (backlog > budget * cores_in_use && napi != NULL) + cvm_oct_enable_one_cpu(); + } ++ rx_count++; + + skb_in_hw = USE_SKBUFFS_IN_HW && work->word2.s.bufs == 1; + if (likely(skb_in_hw)) { +@@ -429,7 +430,6 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) + #endif + } + netif_receive_skb(skb); +- rx_count++; + } else { + /* Drop any packet received for a device that isn't up */ + /* |