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| author | David S. Miller <davem@davemloft.net> | 2018-07-25 05:21:58 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-25 05:21:58 +0300 |
| commit | 19725496da5602b401eae389736ab00d1817e264 (patch) | |
| tree | 4c1a94bf0121769110f1b9c08ee337a55679a48a /include/linux/mlx5 | |
| parent | aea5f654e6b78a0c976f7a25950155932c77a53f (diff) | |
| parent | 9981b4fb8684883dcc0daf088891ff32260b9794 (diff) | |
| download | linux-19725496da5602b401eae389736ab00d1817e264.tar.xz | |
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/linux/mlx5')
| -rw-r--r-- | include/linux/mlx5/driver.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 86cb0ebf92fa..fd0aaa5568fe 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -363,6 +363,7 @@ struct mlx5_frag_buf_ctrl { struct mlx5_frag_buf frag_buf; u32 sz_m1; u32 frag_sz_m1; + u32 strides_offset; u8 log_sz; u8 log_stride; u8 log_frag_strides; @@ -991,14 +992,22 @@ static inline u32 mlx5_base_mkey(const u32 key) return key & 0xffffff00u; } -static inline void mlx5_fill_fbc(u8 log_stride, u8 log_sz, - struct mlx5_frag_buf_ctrl *fbc) +static inline void mlx5_fill_fbc_offset(u8 log_stride, u8 log_sz, + u32 strides_offset, + struct mlx5_frag_buf_ctrl *fbc) { fbc->log_stride = log_stride; fbc->log_sz = log_sz; fbc->sz_m1 = (1 << fbc->log_sz) - 1; fbc->log_frag_strides = PAGE_SHIFT - fbc->log_stride; fbc->frag_sz_m1 = (1 << fbc->log_frag_strides) - 1; + fbc->strides_offset = strides_offset; +} + +static inline void mlx5_fill_fbc(u8 log_stride, u8 log_sz, + struct mlx5_frag_buf_ctrl *fbc) +{ + mlx5_fill_fbc_offset(log_stride, log_sz, 0, fbc); } static inline void mlx5_core_init_cq_frag_buf(struct mlx5_frag_buf_ctrl *fbc, @@ -1012,7 +1021,10 @@ static inline void mlx5_core_init_cq_frag_buf(struct mlx5_frag_buf_ctrl *fbc, static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc, u32 ix) { - unsigned int frag = (ix >> fbc->log_frag_strides); + unsigned int frag; + + ix += fbc->strides_offset; + frag = ix >> fbc->log_frag_strides; return fbc->frag_buf.frags[frag].buf + ((fbc->frag_sz_m1 & ix) << fbc->log_stride); |