diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0035-sdk_dpaa-accept-frames-on-RX-even-if-larger-than-MTU.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0035-sdk_dpaa-accept-frames-on-RX-even-if-larger-than-MTU.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0035-sdk_dpaa-accept-frames-on-RX-even-if-larger-than-MTU.patch b/target/linux/layerscape/patches-5.4/701-net-0035-sdk_dpaa-accept-frames-on-RX-even-if-larger-than-MTU.patch deleted file mode 100644 index d868498de4..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0035-sdk_dpaa-accept-frames-on-RX-even-if-larger-than-MTU.patch +++ /dev/null @@ -1,64 +0,0 @@ -From ab1371fec54bdd16b5f6c56c76d817404c696d4b Mon Sep 17 00:00:00 2001 -From: Camelia Groza <camelia.groza@nxp.com> -Date: Wed, 18 Oct 2017 16:38:30 +0300 -Subject: [PATCH] sdk_dpaa: accept frames on RX even if larger than MTU - -Documentation/networking/netdevices.txt mentions that interfaces must -be able to receive frames at least the size of the configured MTU. The -behavior for received frames larger than the MTU is unspecified. We have -been dropping these frames in software. Remove this behavior and accept -them. - -Signed-off-by: Camelia Groza <camelia.groza@nxp.com> ---- - drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h | 11 ----------- - drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 11 ----------- - 2 files changed, 22 deletions(-) - ---- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h -+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h -@@ -514,17 +514,6 @@ dpa_fd_offset(const struct qm_fd *fd) - return fd->offset; - } - --/* Verifies if the skb length is below the interface MTU */ --static inline int dpa_check_rx_mtu(struct sk_buff *skb, int mtu) --{ -- if (unlikely(skb->len > mtu)) -- if ((skb->protocol != htons(ETH_P_8021Q)) -- || (skb->len > mtu + 4)) -- return -1; -- -- return 0; --} -- - static inline uint16_t dpa_get_headroom(struct dpa_buffer_layout_s *bl) - { - uint16_t headroom; ---- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c -+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c -@@ -616,13 +616,6 @@ void __hot _dpa_rx(struct net_device *ne - (*count_ptr)--; - skb->protocol = eth_type_trans(skb, net_dev); - -- /* IP Reassembled frames are allowed to be larger than MTU */ -- if (unlikely(dpa_check_rx_mtu(skb, net_dev->mtu) && -- !(fd_status & FM_FD_IPR))) { -- percpu_stats->rx_dropped++; -- goto drop_bad_frame; -- } -- - skb_len = skb->len; - - #ifdef CONFIG_FSL_DPAA_DBG_LOOP -@@ -655,10 +648,6 @@ void __hot _dpa_rx(struct net_device *ne - packet_dropped: - return; - --drop_bad_frame: -- dev_kfree_skb(skb); -- return; -- - _release_frame: - dpa_fd_release(net_dev, fd); - } |