V_RX_FC_DISABLE
#define F_RX_FC_DISABLE V_RX_FC_DISABLE(1U)
#define F_RX_FC_DISABLE V_RX_FC_DISABLE(1U)
V_RX_FC_DISABLE(f->fs.nat_seq_chk ? 1 : 0) | F_T5_OPT_2_VALID |
V_RX_FC_DISABLE(f->fs.nat_seq_chk ? 1 : 0) | F_T5_OPT_2_VALID |
opt2 |= V_RX_FC_DDP(0) | V_RX_FC_DISABLE(0);