Messages in this thread Patch in this message | | | From | Huazhong Tan <> | Subject | [PATCH net 3/4] net: hns3: fix RSS config lost after VF reset. | Date | Sat, 28 Mar 2020 15:09:57 +0800 |
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From: Guojia Liao <liaoguojia@huawei.com>
Currently, VF's RSS configuration would be set to default after VF reset, the the user's one will loss.
To fix it, this patch separates hclgevf_rss_init_hw() into two parts, one sets up the default RSS configuration and just be called when driver loading, one configures the hardware and be called by driver loading or reset.
Fixes: d97b30721301 ("net: hns3: Add RSS tuples support for VF") Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> --- .../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 52 ++++++++++++---------- 1 file changed, 28 insertions(+), 24 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 3c58f0b..768240f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -2124,50 +2124,51 @@ static int hclgevf_config_gro(struct hclgevf_dev *hdev, bool en) return ret; } -static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev) +static void hclgevf_rss_init_cfg(struct hclgevf_dev *hdev) { struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; - int ret; + struct hclgevf_rss_tuple_cfg *tuple_sets; u32 i; + rss_cfg->hash_algo = HCLGEVF_RSS_HASH_ALGO_TOEPLITZ; rss_cfg->rss_size = hdev->nic.kinfo.rss_size; - + tuple_sets = &rss_cfg->rss_tuple_sets; if (hdev->pdev->revision >= 0x21) { rss_cfg->hash_algo = HCLGEVF_RSS_HASH_ALGO_SIMPLE; memcpy(rss_cfg->rss_hash_key, hclgevf_hash_key, HCLGEVF_RSS_KEY_SIZE); + tuple_sets->ipv4_tcp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; + tuple_sets->ipv4_udp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; + tuple_sets->ipv4_sctp_en = HCLGEVF_RSS_INPUT_TUPLE_SCTP; + tuple_sets->ipv4_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; + tuple_sets->ipv6_tcp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; + tuple_sets->ipv6_udp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; + tuple_sets->ipv6_sctp_en = HCLGEVF_RSS_INPUT_TUPLE_SCTP; + tuple_sets->ipv6_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER; + } + + /* Initialize RSS indirect table */ + for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++) + rss_cfg->rss_indirection_tbl[i] = i % rss_cfg->rss_size; +} + +static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev) +{ + struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; + int ret; + + if (hdev->pdev->revision >= 0x21) { ret = hclgevf_set_rss_algo_key(hdev, rss_cfg->hash_algo, rss_cfg->rss_hash_key); if (ret) return ret; - rss_cfg->rss_tuple_sets.ipv4_tcp_en = - HCLGEVF_RSS_INPUT_TUPLE_OTHER; - rss_cfg->rss_tuple_sets.ipv4_udp_en = - HCLGEVF_RSS_INPUT_TUPLE_OTHER; - rss_cfg->rss_tuple_sets.ipv4_sctp_en = - HCLGEVF_RSS_INPUT_TUPLE_SCTP; - rss_cfg->rss_tuple_sets.ipv4_fragment_en = - HCLGEVF_RSS_INPUT_TUPLE_OTHER; - rss_cfg->rss_tuple_sets.ipv6_tcp_en = - HCLGEVF_RSS_INPUT_TUPLE_OTHER; - rss_cfg->rss_tuple_sets.ipv6_udp_en = - HCLGEVF_RSS_INPUT_TUPLE_OTHER; - rss_cfg->rss_tuple_sets.ipv6_sctp_en = - HCLGEVF_RSS_INPUT_TUPLE_SCTP; - rss_cfg->rss_tuple_sets.ipv6_fragment_en = - HCLGEVF_RSS_INPUT_TUPLE_OTHER; - ret = hclgevf_set_rss_input_tuple(hdev, rss_cfg); if (ret) return ret; } - /* Initialize RSS indirect table */ - for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++) - rss_cfg->rss_indirection_tbl[i] = i % rss_cfg->rss_size; - ret = hclgevf_set_rss_indir_table(hdev); if (ret) return ret; @@ -2764,6 +2765,7 @@ static int hclgevf_init_hdev(struct hclgevf_dev *hdev) goto err_config; /* Initialize RSS for this VF */ + hclgevf_rss_init_cfg(hdev); ret = hclgevf_rss_init_hw(hdev); if (ret) { dev_err(&hdev->pdev->dev, @@ -2936,6 +2938,8 @@ static int hclgevf_set_channels(struct hnae3_handle *handle, u32 new_tqps_num, for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++) rss_indir[i] = i % kinfo->rss_size; + hdev->rss_cfg.rss_size = kinfo->rss_size; + ret = hclgevf_set_rss(handle, rss_indir, NULL, 0); if (ret) dev_err(&hdev->pdev->dev, "set rss indir table fail, ret=%d\n", -- 2.7.4
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