Commit 92334cfc authored by Karsten Graul's avatar Karsten Graul Committed by David S. Miller
Browse files

net/smc: add logic to evaluate CONFIRM_LINK messages to LLC layer 



Introduce smc_llc_eval_conf_link() to evaluate the CONFIRM_LINK message
contents. This implements this logic at the LLC layer. The function will
be used by af_smc.c to process the received LLC layer messages.

Signed-off-by: default avatarKarsten Graul <kgraul@linux.ibm.com>
Reviewed-by: default avatarUrsula Braun <ubraun@linux.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 81e6e5e7

net/smc/smc_llc.c

+11 −0
Original line number Diff line number Diff line
@@ -946,6 +946,17 @@ out: 
	return rc;

}



/* evaluate confirm link request or response */

int smc_llc_eval_conf_link(struct smc_llc_qentry *qentry,

			   enum smc_llc_reqresp type)

{

	if (type == SMC_LLC_REQ)	/* SMC server assigns link_id */

		qentry->link->link_id = qentry->msg.confirm_link.link_num;

	if (!(qentry->msg.raw.hdr.flags & SMC_LLC_FLAG_NO_RMBE_EYEC))

		return -ENOTSUPP;

	return 0;

}



/***************************** init, exit, misc ******************************/



static struct smc_wr_rx_handler smc_llc_rx_handlers[] = {

net/smc/smc_llc.h

+2 −0
Original line number Diff line number Diff line
@@ -66,6 +66,8 @@ int smc_llc_do_delete_rkey(struct smc_link *link, 
int smc_llc_flow_initiate(struct smc_link_group *lgr,

			  enum smc_llc_flowtype type);

void smc_llc_flow_stop(struct smc_link_group *lgr, struct smc_llc_flow *flow);

int smc_llc_eval_conf_link(struct smc_llc_qentry *qentry,

			   enum smc_llc_reqresp type);

struct smc_llc_qentry *smc_llc_wait(struct smc_link_group *lgr,

				    struct smc_link *lnk,

				    int time_out, u8 exp_msg);

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