diff options
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/073-v5.12-0009-net-broadcom-bcm4908_enet-set-MTU-on-open-on-request.patch (renamed from target/linux/bcm4908/patches-5.4/170-net-broadcom-bcm4908_enet-set-MTU-on-open-on-request.patch) | 10 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch | 30 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/073-v5.12-0011-net-broadcom-bcm4908_enet-fix-NAPI-poll-returned-val.patch | 31 | ||||
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch | 34 |
4 files changed, 103 insertions, 2 deletions
diff --git a/target/linux/bcm4908/patches-5.4/170-net-broadcom-bcm4908_enet-set-MTU-on-open-on-request.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0009-net-broadcom-bcm4908_enet-set-MTU-on-open-on-request.patch index 87cb851034..0201bfeda3 100644 --- a/target/linux/bcm4908/patches-5.4/170-net-broadcom-bcm4908_enet-set-MTU-on-open-on-request.patch +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0009-net-broadcom-bcm4908_enet-set-MTU-on-open-on-request.patch @@ -1,7 +1,10 @@ -From d7dfbcba0437955ccbe4c6db736526d528f27720 Mon Sep 17 00:00:00 2001 +From 14b3b46a67f78ade99eafcbf320105615e948569 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Fri, 12 Feb 2021 16:06:00 +0100 +Date: Fri, 12 Feb 2021 16:21:35 +0100 Subject: [PATCH] net: broadcom: bcm4908_enet: set MTU on open & on request +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit Hardware comes up with default max frame size set to 1518. When using it with switch it results in actual Ethernet MTU 1492: @@ -13,6 +16,9 @@ traffic (MTU 1500). Define maximum possible Ethernet overhead and always set MAC max frame length accordingly. This change fixes handling Ethernet frames of length 1506 - 1514. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/net/ethernet/broadcom/bcm4908_enet.c | 31 ++++++++++++++++---- 1 file changed, 25 insertions(+), 6 deletions(-) diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch new file mode 100644 index 0000000000..8a24324122 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch @@ -0,0 +1,30 @@ +From 4dc7f09b8becfa35a55430a49d95acf19f996e6b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Wed, 24 Feb 2021 16:18:41 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: fix RX path possible mem leak +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +After filling RX ring slot with new skb it's required to free old skb. +Immediately on error or later in the net subsystem. + +Fixes: 4feffeadbcb2 ("net: broadcom: bcm4908enet: add BCM4908 controller driver") +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Link: https://lore.kernel.org/r/20210224151842.2419-1-zajec5@gmail.com +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -570,6 +570,7 @@ static int bcm4908_enet_poll(struct napi + + if (len < ETH_ZLEN || + (ctl & (DMA_CTL_STATUS_SOP | DMA_CTL_STATUS_EOP)) != (DMA_CTL_STATUS_SOP | DMA_CTL_STATUS_EOP)) { ++ kfree_skb(slot.skb); + enet->netdev->stats.rx_dropped++; + break; + } diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0011-net-broadcom-bcm4908_enet-fix-NAPI-poll-returned-val.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0011-net-broadcom-bcm4908_enet-fix-NAPI-poll-returned-val.patch new file mode 100644 index 0000000000..d4cf84e4b6 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0011-net-broadcom-bcm4908_enet-fix-NAPI-poll-returned-val.patch @@ -0,0 +1,31 @@ +From 4d9274cee40b6a20dd6148c6c81c6733c2678cbc Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Wed, 24 Feb 2021 16:18:42 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: fix NAPI poll returned value +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Missing increment was resulting in poll function always returning 0 +instead of amount of processed packets. + +Fixes: 4feffeadbcb2 ("net: broadcom: bcm4908enet: add BCM4908 controller driver") +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Link: https://lore.kernel.org/r/20210224151842.2419-2-zajec5@gmail.com +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -583,6 +583,8 @@ static int bcm4908_enet_poll(struct napi + + enet->netdev->stats.rx_packets++; + enet->netdev->stats.rx_bytes += len; ++ ++ handled++; + } + + if (handled < weight) { diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch new file mode 100644 index 0000000000..ad1bebf3ec --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch @@ -0,0 +1,34 @@ +From d313d16bbaea0f11a2e98f04a6c678b43c208915 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Fri, 26 Feb 2021 14:20:38 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: enable RX after processing + packets +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +When receiving a lot of packets hardware may run out of free +descriptiors and stop RX ring. Enable it every time after handling +received packets. + +Fixes: 4feffeadbcb2 ("net: broadcom: bcm4908enet: add BCM4908 controller driver") +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Link: https://lore.kernel.org/r/20210226132038.29849-1-zajec5@gmail.com +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -592,6 +592,9 @@ static int bcm4908_enet_poll(struct napi + bcm4908_enet_intrs_on(enet); + } + ++ /* Hardware could disable ring if it run out of descriptors */ ++ bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring); ++ + return handled; + } + |