From afafbc0d7454cb3271477698782cdf3197d06295 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 12 Apr 2015 22:10:40 +0000 Subject: kernel: bgmac: add more DMA related fixes Signed-off-by: Felix Fietkau SVN-Revision: 45407 --- .../775-bgmac-check-length-of-received-frame.patch | 39 ---------------------- 1 file changed, 39 deletions(-) delete mode 100644 target/linux/generic/patches-3.18/775-bgmac-check-length-of-received-frame.patch (limited to 'target/linux/generic/patches-3.18/775-bgmac-check-length-of-received-frame.patch') diff --git a/target/linux/generic/patches-3.18/775-bgmac-check-length-of-received-frame.patch b/target/linux/generic/patches-3.18/775-bgmac-check-length-of-received-frame.patch deleted file mode 100644 index 2be1c3676d..0000000000 --- a/target/linux/generic/patches-3.18/775-bgmac-check-length-of-received-frame.patch +++ /dev/null @@ -1,39 +0,0 @@ -From 2d12a9abf3f81de5b51852e3cfcba8cedac82642 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens -Date: Fri, 6 Dec 2013 01:14:52 +0100 -Subject: [PATCH] bgmac: check length of received frame - ---- - drivers/net/ethernet/broadcom/bgmac.c | 9 ++++++++- - 1 file changed, 8 insertions(+), 1 deletion(-) - ---- a/drivers/net/ethernet/broadcom/bgmac.c -+++ b/drivers/net/ethernet/broadcom/bgmac.c -@@ -427,6 +427,27 @@ static int bgmac_dma_rx_read(struct bgma - dma_addr_t old_dma_addr = slot->dma_addr; - int err; - -+ if (len > BGMAC_RX_MAX_FRAME_SIZE) { -+ struct bgmac_dma_desc *dma_desc = ring->cpu_base + ring->start; -+ -+ bgmac_err(bgmac, "Hardware reported invalid packet length %d for slot %d!\n", len, ring->start); -+ bgmac_err(bgmac, "flags: 0x%04X\n", flags); -+ bgmac_err(bgmac, "ctl0: 0x%08X\tctl1: 0x%08X\n", le32_to_cpu(dma_desc->ctl0), le32_to_cpu(dma_desc->ctl1)); -+ -+ bgmac_err(bgmac, " BGMAC_DMA_RX_CTL: 0x%08X\n", bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL)); -+ bgmac_err(bgmac, " BGMAC_DMA_RX_INDEX: 0x%08X\n", bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_INDEX)); -+ bgmac_err(bgmac, "BGMAC_DMA_RX_RINGLO: 0x%08X\n", bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_RINGLO)); -+ bgmac_err(bgmac, "BGMAC_DMA_RX_RINGHI: 0x%08X\n", bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_RINGHI)); -+ bgmac_err(bgmac, "BGMAC_DMA_RX_STATUS: 0x%08X\n", bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_STATUS)); -+ bgmac_err(bgmac, " BGMAC_DMA_RX_ERROR: 0x%08X\n", bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_ERROR)); -+ -+ dma_sync_single_for_device(dma_dev, -+ slot->dma_addr, -+ BGMAC_RX_BUF_SIZE, -+ DMA_FROM_DEVICE); -+ break; -+ } -+ - /* Check for poison and drop or pass the packet */ - if (len == 0xdead && flags == 0xbeef) { - bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n", -- cgit v1.2.3