cxgb4: add support for mirror Rxqs

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When mirror VI is enabled, allocate the mirror Rxqs and setup the
mirror VI RSS table. The mirror Rxqs are allocated/freed when
the mirror VI is created/destroyed or when underlying port is
brought up/down, respectively.

v3:
- Replace mirror VI refcount_t with normal u32 variable.

v2:
- Use mutex to protect all mirror VI data, instead of just
  mirror Rxqs.
- Remove the un-needed mirror Rxq mutex.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Rahul Lakkireddy 2020-06-30 18:41:29 +05:30 • committed by David S. Miller

parent fd2261d8ed

commit 2b465ed00f

3 changed files with 288 additions and 22 deletions

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9

drivers/net/ethernet/chelsio/cxgb4/cxgb4.h

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66

drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c

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235

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

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