From cde66f24c3bf42123647c5233447c5790d92557f Mon Sep 17 00:00:00 2001 From: Aviad Krawczyk Date: Mon, 28 Aug 2017 01:35:30 +0800 Subject: [PATCH] net-next/hinic: fix comparison of a uint16_t type with -1 Remove the search for index of constant buffer size Signed-off-by: Aviad Krawczyk Signed-off-by: Zhao Chen Signed-off-by: David S. Miller --- drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c | 37 +----------------------- drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h | 21 ++++++++++++++ 2 files changed, 22 insertions(+), 36 deletions(-) diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c index 09dec6d..79b5674 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c @@ -69,31 +69,6 @@ struct hinic_dev_cap { u8 rsvd3[208]; }; -struct rx_buf_sz { - int idx; - size_t sz; -}; - -static struct rx_buf_sz rx_buf_sz_table[] = { - {0, 32}, - {1, 64}, - {2, 96}, - {3, 128}, - {4, 192}, - {5, 256}, - {6, 384}, - {7, 512}, - {8, 768}, - {9, 1024}, - {10, 1536}, - {11, 2048}, - {12, 3072}, - {13, 4096}, - {14, 8192}, - {15, 16384}, - {-1, -1}, -}; - /** * get_capability - convert device capabilities to NIC capabilities * @hwdev: the HW device to set and convert device capabilities for @@ -330,7 +305,6 @@ static int set_hw_ioctxt(struct hinic_hwdev *hwdev, unsigned int rq_depth, struct hinic_cmd_hw_ioctxt hw_ioctxt; struct pci_dev *pdev = hwif->pdev; struct hinic_pfhwdev *pfhwdev; - int i; if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) { dev_err(&pdev->dev, "Unsupported PCI Function type\n"); @@ -344,16 +318,7 @@ static int set_hw_ioctxt(struct hinic_hwdev *hwdev, unsigned int rq_depth, hw_ioctxt.rq_depth = ilog2(rq_depth); - for (i = 0; ; i++) { - if ((rx_buf_sz_table[i].sz == HINIC_RX_BUF_SZ) || - (rx_buf_sz_table[i].sz == -1)) { - hw_ioctxt.rx_buf_sz_idx = rx_buf_sz_table[i].idx; - break; - } - } - - if (hw_ioctxt.rx_buf_sz_idx == -1) - return -EINVAL; + hw_ioctxt.rx_buf_sz_idx = HINIC_RX_BUF_SZ_IDX; hw_ioctxt.sq_depth = ilog2(sq_depth); diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h index e642a8a..df729a1 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h @@ -53,7 +53,9 @@ #define HINIC_SQ_DEPTH SZ_4K #define HINIC_RQ_DEPTH SZ_4K +/* In any change to HINIC_RX_BUF_SZ, HINIC_RX_BUF_SZ_IDX must be changed */ #define HINIC_RX_BUF_SZ 2048 +#define HINIC_RX_BUF_SZ_IDX HINIC_RX_BUF_SZ_2048_IDX #define HINIC_MIN_TX_WQE_SIZE(wq) \ ALIGN(HINIC_SQ_WQE_SIZE(1), (wq)->wqebb_size) @@ -61,6 +63,25 @@ #define HINIC_MIN_TX_NUM_WQEBBS(sq) \ (HINIC_MIN_TX_WQE_SIZE((sq)->wq) / (sq)->wq->wqebb_size) +enum hinic_rx_buf_sz_idx { + HINIC_RX_BUF_SZ_32_IDX, + HINIC_RX_BUF_SZ_64_IDX, + HINIC_RX_BUF_SZ_96_IDX, + HINIC_RX_BUF_SZ_128_IDX, + HINIC_RX_BUF_SZ_192_IDX, + HINIC_RX_BUF_SZ_256_IDX, + HINIC_RX_BUF_SZ_384_IDX, + HINIC_RX_BUF_SZ_512_IDX, + HINIC_RX_BUF_SZ_768_IDX, + HINIC_RX_BUF_SZ_1024_IDX, + HINIC_RX_BUF_SZ_1536_IDX, + HINIC_RX_BUF_SZ_2048_IDX, + HINIC_RX_BUF_SZ_3072_IDX, + HINIC_RX_BUF_SZ_4096_IDX, + HINIC_RX_BUF_SZ_8192_IDX, + HINIC_RX_BUF_SZ_16384_IDX, +}; + struct hinic_sq { struct hinic_hwif *hwif; -- 2.7.4