From 5abcc66cb6e83f02b5218802d3eca74c0d29bebf Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Wed, 17 Aug 2022 18:05:43 +0200
Subject: user/net: answer to ARP

---
 src/kernel/arch/amd64/driver/rtl8139.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/kernel/arch/amd64/driver/rtl8139.c')

diff --git a/src/kernel/arch/amd64/driver/rtl8139.c b/src/kernel/arch/amd64/driver/rtl8139.c
index 5b09027..428d675 100644
--- a/src/kernel/arch/amd64/driver/rtl8139.c
+++ b/src/kernel/arch/amd64/driver/rtl8139.c
@@ -39,7 +39,7 @@ static size_t rxpos;
 static char txbuf[4][txbuf_len];
 
 static void rx_irq_enable(bool v) {
-	uint16_t mask = 1 | 4; /* rx/tx ok */
+	uint16_t mask = 1; /* rx ok */
 	port_out16(iobase + INTRMASK, v ? mask : 0);
 }
 
@@ -85,11 +85,11 @@ void rtl8139_init(uint32_t bdf) {
 
 void rtl8139_irq(void) {
 	uint16_t status = port_in16(iobase + INTRSTATUS);
-	if (status != 1) {
+	if (!(status & 1)) {
 		kprintf("bad rtl8139 status 0x%x\n", status);
 		panic_unimplemented();
 	}
-	// TODO don't assume this is an rx irq
+	status &= 1;
 
 	do {
 		if (blocked_on) {
-- 
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