Commit a8896d14 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by Paolo Abeni
Browse files

eth: fbnic: support allocating FW completions with extra space 



Support allocating extra space after the FW completion.
This makes it easy to pass extra variable size buffer space
to FW response handlers without worrying about synchronization
(completion itself is already refcounted).

Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250916231420.1693955-6-kuba@kernel.org


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 6ae7da8e

drivers/net/ethernet/meta/fbnic/fbnic_fw.c

+8 −2
Original line number Diff line number Diff line
@@ -1544,11 +1544,12 @@ void fbnic_get_fw_ver_commit_str(struct fbnic_dev *fbd, char *fw_version, 
				 fw_version, str_sz);

}



struct fbnic_fw_completion *fbnic_fw_alloc_cmpl(u32 msg_type)

struct fbnic_fw_completion *__fbnic_fw_alloc_cmpl(u32 msg_type,

						  size_t priv_size)

{

	struct fbnic_fw_completion *cmpl;



	cmpl = kzalloc(sizeof(*cmpl), GFP_KERNEL);

	cmpl = kzalloc(sizeof(*cmpl) + priv_size, GFP_KERNEL);

	if (!cmpl)

		return NULL;
@@ -1559,6 +1560,11 @@ struct fbnic_fw_completion *fbnic_fw_alloc_cmpl(u32 msg_type) 
	return cmpl;

}



struct fbnic_fw_completion *fbnic_fw_alloc_cmpl(u32 msg_type)

{

	return __fbnic_fw_alloc_cmpl(msg_type, 0);

}



void fbnic_fw_put_cmpl(struct fbnic_fw_completion *fw_cmpl)

{

	kref_put(&fw_cmpl->ref_count, fbnic_fw_release_cmpl_data);

drivers/net/ethernet/meta/fbnic/fbnic_fw.h

+2 −0
Original line number Diff line number Diff line
@@ -100,6 +100,8 @@ int fbnic_fw_xmit_tsene_read_msg(struct fbnic_dev *fbd, 
int fbnic_fw_xmit_send_logs(struct fbnic_dev *fbd, bool enable,

			    bool send_log_history);

int fbnic_fw_xmit_rpc_macda_sync(struct fbnic_dev *fbd);

struct fbnic_fw_completion *__fbnic_fw_alloc_cmpl(u32 msg_type,

						  size_t priv_size);

struct fbnic_fw_completion *fbnic_fw_alloc_cmpl(u32 msg_type);

void fbnic_fw_put_cmpl(struct fbnic_fw_completion *cmpl_data);