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qed: Revisit chain implementation

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RoCE driver is going to need a 32-bit chain [current chain implementation
for qed* currently supports only 16-bit producer/consumer chains].

This patch adds said support, as well as doing other slight tweaks and
modifications to qed's chain API.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz
2016-06-03 14:35:32 +03:00
committed by David S. Miller
parent 330348d942
commit a91eb52abb
7 changed files with 638 additions and 321 deletions
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8
drivers/net/ethernet/qlogic/qed/qed_dev_api.h
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@@ -245,9 +245,8 @@ int
qed_chain_alloc(struct qed_dev *cdev,
enum qed_chain_use_mode intended_use,
enum qed_chain_mode mode,
u16 num_elems,
size_t elem_size,
struct qed_chain *p_chain);
enum qed_chain_cnt_type cnt_type,
u32 num_elems, size_t elem_size, struct qed_chain *p_chain);
/**
* @brief qed_chain_free - Free chain DMA memory
@@ -255,8 +254,7 @@ qed_chain_alloc(struct qed_dev *cdev,
* @param p_hwfn
* @param p_chain
*/
void qed_chain_free(struct qed_dev *cdev,
struct qed_chain *p_chain);
void qed_chain_free(struct qed_dev *cdev, struct qed_chain *p_chain);
/**
* @@brief qed_fw_l2_queue - Get absolute L2 queue ID