AuxXxilium/linux_dsm_epyc7002
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drivers: net: xgene: Fix hardware checksum setting

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This patch fixes the hardware checksum settings by properly program
the classifier. Otherwise, packet may be received with checksum error
on X-Gene1 SoC.

Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Quan Nguyen 2017-03-15 13:27:16 -07:00 committed by David S. Miller
parent 4b72436dc3
commit e026e700d9
2 changed files with 2 additions and 0 deletions
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1
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
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@ -623,6 +623,7 @@ static void xgene_enet_cle_bypass(struct xgene_enet_pdata *pdata,
xgene_enet_rd_csr(pdata, CLE_BYPASS_REG0_0_ADDR, &cb);
cb |= CFG_CLE_BYPASS_EN0;
CFG_CLE_IP_PROTOCOL0_SET(&cb, 3);
CFG_CLE_IP_HDR_LEN_SET(&cb, 0);
xgene_enet_wr_csr(pdata, CLE_BYPASS_REG0_0_ADDR, cb);
xgene_enet_rd_csr(pdata, CLE_BYPASS_REG1_0_ADDR, &cb);

1
drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
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@ -163,6 +163,7 @@ enum xgene_enet_rm {
#define CFG_RXCLK_MUXSEL0_SET(dst, val) xgene_set_bits(dst, val, 26, 3)
#define CFG_CLE_IP_PROTOCOL0_SET(dst, val) xgene_set_bits(dst, val, 16, 2)
#define CFG_CLE_IP_HDR_LEN_SET(dst, val) xgene_set_bits(dst, val, 8, 5)
#define CFG_CLE_DSTQID0_SET(dst, val) xgene_set_bits(dst, val, 0, 12)
#define CFG_CLE_FPSEL0_SET(dst, val) xgene_set_bits(dst, val, 16, 4)
#define CFG_CLE_NXTFPSEL0_SET(dst, val) xgene_set_bits(dst, val, 20, 4)