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Commit 0931a9dd authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by Linus Torvalds
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o llc: don't use inverted logic 

I don't understand what was on the mind of Procom programmers,
why do all this inverted logic? Its plain confusing, revert it.
Thanks to DaveM for asking if the logic was inverted, I should
have killed this weird stuff a long time ago :-\
parent ff0753c6
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Inline Side-by-side
Showing with 119 additions and 119 deletions
include/net/llc_pdu.h
View file @ 0931a9dd
......@@ -39,8 +39,8 @@
#define LLC_PDU_CMD_RSP_MASK 0x01
#define LLC_PDU_CMD 0
#define LLC_PDU_RSP 1
#define LLC_PDU_IS_CMD(pdu) ((pdu->ssap & LLC_PDU_RSP) ? 1 : 0)
#define LLC_PDU_IS_RSP(pdu) ((pdu->ssap & LLC_PDU_RSP) ? 0 : 1)
#define LLC_PDU_IS_CMD(pdu) ((pdu->ssap & LLC_PDU_RSP) ? 0 : 1)
#define LLC_PDU_IS_RSP(pdu) ((pdu->ssap & LLC_PDU_RSP) ? 1 : 0)
/* Get PDU type from 2 lowest-order bits of control field first byte */
#define LLC_PDU_TYPE_I_MASK 0x01 /* 16-bit control field */
......@@ -53,18 +53,18 @@
#define LLC_PDU_TYPE_U 3 /* first two bits */
#define LLC_PDU_TYPE_IS_I(pdu) \
((!(pdu->ctrl_1 & LLC_PDU_TYPE_I_MASK)) ? 0 : 1)
((!(pdu->ctrl_1 & LLC_PDU_TYPE_I_MASK)) ? 1 : 0)
#define LLC_PDU_TYPE_IS_U(pdu) \
(((pdu->ctrl_1 & LLC_PDU_TYPE_U_MASK) == LLC_PDU_TYPE_U) ? 0 : 1)
(((pdu->ctrl_1 & LLC_PDU_TYPE_U_MASK) == LLC_PDU_TYPE_U) ? 1 : 0)
#define LLC_PDU_TYPE_IS_S(pdu) \
(((pdu->ctrl_1 & LLC_PDU_TYPE_S_MASK) == LLC_PDU_TYPE_S) ? 0 : 1)
(((pdu->ctrl_1 & LLC_PDU_TYPE_S_MASK) == LLC_PDU_TYPE_S) ? 1 : 0)
/* U-format PDU control field masks */
#define LLC_U_PF_BIT_MASK 0x10 /* P/F bit mask */
#define LLC_U_PF_IS_1(pdu) ((pdu->ctrl_1 & LLC_U_PF_BIT_MASK) ? 0 : 1)
#define LLC_U_PF_IS_0(pdu) ((!(pdu->ctrl_1 & LLC_U_PF_BIT_MASK)) ? 0 : 1)
#define LLC_U_PF_IS_1(pdu) ((pdu->ctrl_1 & LLC_U_PF_BIT_MASK) ? 1 : 0)
#define LLC_U_PF_IS_0(pdu) ((!(pdu->ctrl_1 & LLC_U_PF_BIT_MASK)) ? 1 : 0)
#define LLC_U_PDU_CMD_MASK 0xEC /* cmd/rsp mask */
#define LLC_U_PDU_CMD(pdu) (pdu->ctrl_1 & LLC_U_PDU_CMD_MASK)
......@@ -119,8 +119,8 @@
#define LLC_I_PF_BIT_MASK 0x01
#define LLC_I_PF_IS_0(pdu) ((!(pdu->ctrl_2 & LLC_I_PF_BIT_MASK)) ? 0 : 1)
#define LLC_I_PF_IS_1(pdu) ((pdu->ctrl_2 & LLC_I_PF_BIT_MASK) ? 0 : 1)
#define LLC_I_PF_IS_0(pdu) ((!(pdu->ctrl_2 & LLC_I_PF_BIT_MASK)) ? 1 : 0)
#define LLC_I_PF_IS_1(pdu) ((pdu->ctrl_2 & LLC_I_PF_BIT_MASK) ? 1 : 0)
/* S-PDU supervisory commands and responses */
......@@ -136,8 +136,8 @@
#define LLC_2_PDU_RSP_RNR 0x04 /* rx not ready rsp */
#define LLC_S_PF_BIT_MASK 0x01
#define LLC_S_PF_IS_0(pdu) ((!(pdu->ctrl_2 & LLC_S_PF_BIT_MASK)) ? 0 : 1)
#define LLC_S_PF_IS_1(pdu) ((pdu->ctrl_2 & LLC_S_PF_BIT_MASK) ? 0 : 1)
#define LLC_S_PF_IS_0(pdu) ((!(pdu->ctrl_2 & LLC_S_PF_BIT_MASK)) ? 1 : 0)
#define LLC_S_PF_IS_1(pdu) ((pdu->ctrl_2 & LLC_S_PF_BIT_MASK) ? 1 : 0)
#define PDU_SUPV_GET_Nr(pdu) ((pdu->ctrl_2 & 0xFE) >> 1)
#define PDU_GET_NEXT_Vr(sn) (++sn & ~LLC_2_SEQ_NBR_MODULO)
......
net/llc/llc_c_ac.c
View file @ 0931a9dd
......@@ -102,13 +102,13 @@ int llc_conn_ac_disc_ind(struct sock *sk, struct sk_buff *skb)
if (ev->type == LLC_CONN_EV_TYPE_PDU) {
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
if (!LLC_PDU_IS_RSP(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
if (LLC_PDU_IS_RSP(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_DM) {
reason = LLC_DISC_REASON_RX_DM_RSP_PDU;
rc = 0;
} else if (!LLC_PDU_IS_CMD(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
} else if (LLC_PDU_IS_CMD(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_DISC) {
reason = LLC_DISC_REASON_RX_DISC_CMD_PDU;
rc = 0;
......@@ -146,13 +146,13 @@ int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb)
switch (ev->type) {
case LLC_CONN_EV_TYPE_PDU:
if (!LLC_PDU_IS_RSP(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
if (LLC_PDU_IS_RSP(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_FRMR) {
reason = LLC_RESET_REASON_LOCAL;
rc = 0;
} else if (!LLC_PDU_IS_CMD(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
} else if (LLC_PDU_IS_CMD(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_SABME) {
reason = LLC_RESET_REASON_REMOTE;
rc = 0;
......@@ -198,9 +198,9 @@ int llc_conn_ac_clear_remote_busy_if_f_eq_1(struct sock *sk,
{
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
if (!LLC_PDU_IS_RSP(pdu) &&
!LLC_PDU_TYPE_IS_I(pdu) &&
!LLC_I_PF_IS_1(pdu) && llc_sk(sk)->ack_pf)
if (LLC_PDU_IS_RSP(pdu) &&
LLC_PDU_TYPE_IS_I(pdu) &&
LLC_I_PF_IS_1(pdu) && llc_sk(sk)->ack_pf)
llc_conn_ac_clear_remote_busy(sk, skb);
return 0;
}
......@@ -310,7 +310,7 @@ int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb)
struct llc_opt *llc = llc_sk(sk);
llc->rx_pdu_hdr = *((u32 *)pdu);
if (!LLC_PDU_IS_CMD(pdu))
if (LLC_PDU_IS_CMD(pdu))
llc_pdu_decode_pf_bit(skb, &f_bit);
else
f_bit = 0;
......@@ -1228,7 +1228,7 @@ int llc_conn_ac_upd_p_flag(struct sock *sk, struct sk_buff *skb)
{
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
if (!LLC_PDU_IS_RSP(pdu)) {
if (LLC_PDU_IS_RSP(pdu)) {
u8 f_bit;
llc_pdu_decode_pf_bit(skb, &f_bit);
......
net/llc/llc_c_ev.c
View file @ 0931a9dd
This diff is collapsed.
net/llc/llc_conn.c
View file @ 0931a9dd
......@@ -356,7 +356,7 @@ static void llc_conn_send_pdus(struct sock *sk)
while ((skb = skb_dequeue(&sk->sk_write_queue)) != NULL) {
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
if (!LLC_PDU_TYPE_IS_I(pdu) &&
if (LLC_PDU_TYPE_IS_I(pdu) &&
!(skb->dev->flags & IFF_LOOPBACK)) {
struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
......
net/llc/llc_evnt.c
View file @ 0931a9dd
......@@ -68,8 +68,8 @@ int llc_stat_ev_rx_null_dsap_xid_c(struct llc_station *station,
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_STATION_EV_TYPE_PDU &&
!LLC_PDU_IS_CMD(pdu) && /* command PDU */
!LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */
LLC_PDU_IS_CMD(pdu) && /* command PDU */
LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */
LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_XID &&
!pdu->dsap ? 0 : 1; /* NULL DSAP value */
}
......@@ -81,8 +81,8 @@ int llc_stat_ev_rx_null_dsap_0_xid_r_xid_r_cnt_eq(struct llc_station *station,
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_STATION_EV_TYPE_PDU &&
!LLC_PDU_IS_RSP(pdu) && /* response PDU */
!LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */
LLC_PDU_IS_RSP(pdu) && /* response PDU */
LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */
LLC_U_PDU_RSP(pdu) == LLC_1_PDU_CMD_XID &&
!pdu->dsap && /* NULL DSAP value */
!station->xid_r_count ? 0 : 1;
......@@ -95,8 +95,8 @@ int llc_stat_ev_rx_null_dsap_1_xid_r_xid_r_cnt_eq(struct llc_station *station,
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_STATION_EV_TYPE_PDU &&
!LLC_PDU_IS_RSP(pdu) && /* response PDU */
!LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */
LLC_PDU_IS_RSP(pdu) && /* response PDU */
LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */
LLC_U_PDU_RSP(pdu) == LLC_1_PDU_CMD_XID &&
!pdu->dsap && /* NULL DSAP value */
station->xid_r_count == 1 ? 0 : 1;
......@@ -109,8 +109,8 @@ int llc_stat_ev_rx_null_dsap_test_c(struct llc_station *station,
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_STATION_EV_TYPE_PDU &&
!LLC_PDU_IS_CMD(pdu) && /* command PDU */
!LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */
LLC_PDU_IS_CMD(pdu) && /* command PDU */
LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */
LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_TEST &&
!pdu->dsap ? 0 : 1; /* NULL DSAP */
}
......
net/llc/llc_s_ev.c
View file @ 0931a9dd
......@@ -33,8 +33,8 @@ int llc_sap_ev_rx_ui(struct llc_sap *sap, struct sk_buff *skb)
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_SAP_EV_TYPE_PDU && !LLC_PDU_IS_CMD(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_CMD(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_UI ? 0 : 1;
}
......@@ -62,8 +62,8 @@ int llc_sap_ev_rx_xid_c(struct llc_sap *sap, struct sk_buff *skb)
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_SAP_EV_TYPE_PDU && !LLC_PDU_IS_CMD(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_CMD(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_XID ? 0 : 1;
}
......@@ -72,8 +72,8 @@ int llc_sap_ev_rx_xid_r(struct llc_sap *sap, struct sk_buff *skb)
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_SAP_EV_TYPE_PDU && !LLC_PDU_IS_RSP(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_RSP(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_RSP(pdu) == LLC_1_PDU_CMD_XID ? 0 : 1;
}
......@@ -91,8 +91,8 @@ int llc_sap_ev_rx_test_c(struct llc_sap *sap, struct sk_buff *skb)
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_SAP_EV_TYPE_PDU && !LLC_PDU_IS_CMD(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_CMD(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_TEST ? 0 : 1;
}
......@@ -101,8 +101,8 @@ int llc_sap_ev_rx_test_r(struct llc_sap *sap, struct sk_buff *skb)
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
return ev->type == LLC_SAP_EV_TYPE_PDU && !LLC_PDU_IS_RSP(pdu) &&
!LLC_PDU_TYPE_IS_U(pdu) &&
return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_RSP(pdu) &&
LLC_PDU_TYPE_IS_U(pdu) &&
LLC_U_PDU_RSP(pdu) == LLC_1_PDU_CMD_TEST ? 0 : 1;
}
......
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