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qed*: Add support for VFs over legacy PFs

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Modern VFs can't run on old non-compatible as the fastpath HSI is
slightly changed - but as the HSI is actually very close [basically,
a single bit whose meaning flipped] this can be supported with small
modifications.

The major differences would be in:
  - Recognizing that VF is running on top of a legacy PF.
  - Returning some slowpath configurations that are no longer needed
    on top of modern PFs, but would be required when working over
    the legacy ones.

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 2016-08-22 13:25:11 +03:00 • committed by David S. Miller
parent 11a85d759e
commit d8c2c7e340
6 changed files with 109 additions and 20 deletions
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3
include/linux/qed/qed_eth_if.h
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@ -23,6 +23,9 @@ struct qed_dev_eth_info {
u8 port_mac[ETH_ALEN];
u8 num_vlan_filters;
/* Legacy VF - this affects the datapath, so qede has to know */
bool is_legacy;
};
struct qed_update_vport_rss_params {