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Proof-of-concept to manually parse completion event

This commit is contained in:
Michael Brown 2007-09-14 10:18:09 +01:00
parent e9df4f691e
commit e69863b5fb
1 changed files with 21 additions and 2 deletions
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23
src/drivers/net/mlx_ipoib/mt25218.c
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@ -27,7 +27,6 @@ struct mlx_nic {
#include "mt_version.c"
#include "mt25218_imp.c"
/* NIC specific static variables go here */
int prompt_key(int secs, unsigned char *ch_p)
{
@ -265,12 +264,31 @@ static void mlx_rx_complete ( struct net_device *netdev,
* @v netdev Network device
* @v cq Completion queue
*/
static void mlx_poll_cq ( struct net_device *netdev, cq_t cq ) {
static void mlx_poll_cq ( struct net_device *netdev,
struct cq_st *cq ) {
struct mlx_nic *mlx = netdev->priv;
struct ib_cqe_st cqe;
uint8_t num_cqes;
while ( 1 ) {
unsigned long cons_idx;
union cqe_st *temp;
cons_idx = ( cq->cons_counter & ( cq->num_cqes - 1 ) );
temp = &cq->cq_buf[cons_idx];
if ( EX_FLD_BE ( temp, arbelprm_completion_queue_entry_st,
owner ) == 0 ) {
DBG ( "software owned\n" );
DBGC_HD ( mlx, temp, sizeof ( *temp ) );
DBG ( "my_qpn=%lx, g=%ld, s=%ld, op=%02lx, cnt=%lx\n",
EX_FLD_BE ( temp, arbelprm_completion_queue_entry_st, my_qpn ),
EX_FLD_BE ( temp, arbelprm_completion_queue_entry_st, g ),
EX_FLD_BE ( temp, arbelprm_completion_queue_entry_st, s ),
EX_FLD_BE ( temp, arbelprm_completion_queue_entry_st, opcode ),
EX_FLD_BE ( temp, arbelprm_completion_queue_entry_st, byte_cnt ) );
}
/* Poll for single completion queue entry */
ib_poll_cq ( cq, &cqe, &num_cqes );
@ -312,6 +330,7 @@ static void mlx_poll ( struct net_device *netdev ) {
return;
}
// mlx_poll_cq ( netdev, ipoib_data.snd_cqh );
mlx_poll_cq ( netdev, ipoib_data.rcv_cqh );
}